[Q] Reverting to Stock GPE Kernel without using an RUU? - One (M8) Q&A, Help & Troubleshooting

Hey guys,
I'm currently on a fully GPE converted phone running stock Lollipop 5.0.1.
I have S-Off, root, TWRP and Xposed.
I'm planning to flash the Quantum kernel on my device mostly to get KCAL support (LCD color switching), but also for the supposed battery improvements.
I'm obviously going to take a TWRP Nandroid backup prior to flashing the kernel so that I can restore back if something goes wrong. But what I'm wondering is, if I decide I actually want to go back to the stock kernel at a later date (say in a month), is there any way to flash just the stock kernel or back up my current one? I can't seem to find a copy of a stock GPE kernel, can I compile it myself or something similar? I'd prefer not to have to do a TitaniumBackup and use an RUU since that's such a load of effort.
I'm a software engineer so no need to sugar coat any technical details for me.
Thanks!

JackHarley said:
Hey guys,
I'm currently on a fully GPE converted phone running stock Lollipop 5.0.1.
I have S-Off, root, TWRP and Xposed.
I'm planning to flash the Quantum kernel on my device mostly to get KCAL support (LCD color switching), but also for the supposed battery improvements.
I'm obviously going to take a TWRP Nandroid backup prior to flashing the kernel so that I can restore back if something goes wrong. But what I'm wondering is, if I decide I actually want to go back to the stock kernel at a later date (say in a month), is there any way to flash just the stock kernel or back up my current one? I can't seem to find a copy of a stock GPE kernel, can I compile it myself or something similar? I'd prefer not to have to do a TitaniumBackup and use an RUU since that's such a load of effort.
I'm a software engineer so no need to sugar coat any technical details for me.
Thanks!
Click to expand...
Click to collapse
Download the GPE ROM, unzip it, and look for the boot.img. That's your kernel.

xunholyx said:
Download the GPE ROM, unzip it, and look for the boot.img. That's your kernel.
Click to expand...
Click to collapse
Thanks. Could I just restore my TWRP Boot backup for the same effect?
Otherwise, in terms of flashing the boot.img, is it just a "fastboot flash boot boot.img"?
Edit: Also, slightly off topic but how does a recovery flashed ZIP know to replace the kernel and not flash to /system instead?

JackHarley said:
Thanks. Could I just restore my TWRP Boot backup for the same effect?
Otherwise, in terms of flashing the boot.img, is it just a "fastboot flash boot boot.img"?
Edit: Also, slightly off topic but how does a recovery flashed ZIP know to replace the kernel and not flash to /system instead?
Click to expand...
Click to collapse
You could restore boot from your backup. I've never done it myself, but I'm sure it would work fine.
Fastboot flash boot boot.img is correct.
The zips are broken up into appropriate folders; be it ROM or backup; that are directed to the proper partitions during the flash in recovery. I've never delved into it too much, but I'm sure they have something like [flash-boot] [/flash-boot] written into it.

xunholyx said:
You could restore boot from your backup. I've never done it myself, but I'm sure it would work fine.
Fastboot flash boot boot.img is correct.
The zips are broken up into appropriate folders; be it ROM or backup; that are directed to the proper partitions during the flash in recovery. I've never delved into it too much, but I'm sure they have something like [flash-boot] [/flash-boot] written into it.
Click to expand...
Click to collapse
I just unzipped the Quantum flash ZIP and noticed that it also seems to flash a bunch of files to system as well as to boot.
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Would I be correct in assuming therefore that I would need to flash both boot and system images from the GPE RUU to get back to the stock kernel? To save having to re-flash system could I just open up the system IMG and extract the files that were replaced by Quantum?

Do a full nandroid backup and, if you wanna go back to what you had before, restore it. As you're correctly found, there are some system modules required to work with the kernel so just flashing the stock kernel might not work

EddyOS said:
Do a full nandroid backup and, if you wanna go back to what you had before, restore it. As you're correctly found, there are some system modules required to work with the kernel so just flashing the stock kernel might not work
Click to expand...
Click to collapse
Was hoping I could get back without the full backup. I've done the flash now and let's say for example if I want to switch back to the stock kernel in 1 month's time, using my nandroid backup would lose me a lot of data, I'd be better off just taking a Titanium Backup, flashing the RUU and restoring, but that's a massive pain as well.
Would my idea of manually replacing the system partition files that Quantum modifies with their stock variants, or deleting them in the case that the stock variant has no such file, work?

Yes, in theory, so long as you can get them all. Remember a Nandroid won't touch your personal data but might affect any app data but it's ALWAYS recommended to make a backup so at least you have something to fall back in should the worst happen

EddyOS said:
Yes, in theory, so long as you can get them all. Remember a Nandroid won't touch your personal data but might affect any app data but it's ALWAYS recommended to make a backup so at least you have something to fall back in should the worst happen
Click to expand...
Click to collapse
Don't worry I definitely took a backup, and I'd restore if things had gone wrong immediately (boot loop, etc.)
My concern here is more so for what happens if I decide after a month or so of usage that actually I don't like Quantum and I preferred stock (battery life worsening, etc.)
Thanks for all the help.

Related

Cant Backup Roms HELP Plz!!!!!!!!!!!!!!!!!

Hi guys every time i try to nandroid or back up threw rom manager i get "Error finding an appropriate backup handler" and "Unable to find mounted volume: /sdcard". i looked threw numorious forums on xda and other forums i dont know how to fix this problem i completely formatted my Sd card and wiped my phone i cant backup any roms for some reason. Can someone tell me how to restore my phone to how it was out of the box unrooted. Plz
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You should Odin back to stock! Check the dev section. I'm sure there is a thread with stock rom and recovery.
Sent from my SGH-T999
Odin would be the only way. Correct.
Sent from my SGH-T999 using xda premium
Are you able to nandroid through cwm recovery?
Sent from my SGH-T999 using Tapatalk 2
Nope i cant i dont even know how this problem came along i was using a stock root then i decided to install CM 10 and when i tried to back it up i started getting this problem :l and i dont know how to return to stock i downloaded that SAMSUNG GALAXY S3 TOOLKIT would that program be able to return me to stock unrooted.
Can someone point me to a link that will help me go back to stock unrooted. Like the phone was straight out of the box?????/
You should do your backup directly in CWM and not ROM manager. Go to backup then back up in internal storage. I'm on touch 5.8.4.5 and back up directly in CWM then rename manually in Rom Manager. Just download a stock rooted ROM and flash it in CWM. Can you mount sd card in CWM? Just download a ROM then mount sd card and copy then flash after will ng data and formatting system and wiping caches. I would personally Odin back to a stock ROM, its easier.
Lakeshow423 said:
You should do your backup directly in CWM and not ROM manager. Go to backup then back up in internal storage. I'm on touch 5.8.4.5 and back up directly in CWM then rename manually in Rom Manager. Just download a stock rooted ROM and flash it in CWM. Can you mount sd card in CWM? Just download a ROM then mount sd card and copy then flash after will ng data and formatting system and wiping caches. I would personally Odin back to a stock ROM, its easier.
Click to expand...
Click to collapse
I tried backing up directly in CWM and that wouldnt work for me and i think i just did the oden thing on the computer i put this file in the PDA slot
"boot-stock-tmo-t999uvalem" did that unroot me ?
OreoBoyVa said:
I tried backing up directly in CWM and that wouldnt work for me and i think i just did the oden thing on the computer i put this file in the PDA slot
"boot-stock-tmo-t999uvalem" did that unroot me ?
Click to expand...
Click to collapse
It should of unrooted you. Try down adding Titanium backup or a app that requires root and check if you don't have root.
OreoBoyVa said:
Hi guys every time i try to nandroid or back up threw rom manager i get "Error finding an appropriate backup handler" and "Unable to find mounted volume: /sdcard". i looked threw numorious forums on xda and other forums i dont know how to fix this problem i completely formatted my Sd card and wiped my phone i cant backup any roms for some reason. Can someone tell me how to restore my phone to how it was out of the box unrooted. Plz
View attachment 1295294
Click to expand...
Click to collapse
Try to back up to your internal sd card instead after that error message by using the backup and restore menu in recovery mode. That happens to me when i try to use the ROM manager backup method because my ext sd card is full
Sent from my rooted T-Mo SGS3.
If I've helped you, be sure to use the thanks button!
Lakeshow423 said:
It should of unrooted you. Try down adding Titanium backup or a app that requires root and check if you don't have root.
Click to expand...
Click to collapse
i dont think it did unroot me because i still have the custom recovery ? if my phone still has custom recovery does that mean it is rooted?
OreoBoyVa said:
i dont think it did unroot me because i still have the custom recovery ? if my phone still has custom recovery does that mean it is rooted?
Click to expand...
Click to collapse
You can have custom recovery and not have root. Go to your app drawer and if SU or superuser is not there then you are not rooted.
Okay so i flashed stock recovery via oden then i flashed the stock rom .tar file via oden. then after my phone was back to stock i re-rooted it and flashed cwm my phone is no longer getting that message but it still isnt backing up to the sd card ??? can someone plz help me
Lakeshow423 said:
You can have custom recovery and not have root. Go to your app drawer and if SU or superuser is not there then you are not rooted.
Click to expand...
Click to collapse
I wasnt rooted anymore but then i rerooted my phone and i still couldnt back up rom's to sd card via CWM when i just rerooted this morning :l
it says no/sdcard/.android_secure fount and what not then the phone just reboots :l
OreoBoyVa said:
it says no/sdcard/.android_secure fount and what not then the phone just reboots :l
Click to expand...
Click to collapse
If cwm is giving you a hard time try twrp. That's another alternative recovery we have. Maybe that will do the trick.
Sent from my SGH-T999

Cwm 6.0.1.0 11gb blob folder

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Am I doing something wrong? This is massive.
Sent from my Galaxy Nexus using Tapatalk 2
That are parts of your nandroid backups.
This is all the data and info that you've backed up using Clockworkmod recovery. This is one of 6.0.1 "update". Apparently, this will save you some storage when you backup up multiple ROMs. Don't delete it, or the restoring would not be successful. If you want to delete a backup, either delete using file explorer or ROM manager. Then you reboot to recovery. Then the recovery will delete certain portion of the data in blob file that matches the deleted backup.
personally don't like it, so I use TWRP
Hope this answered your question
Will convert to twrp. Thanks. Just didn't know if that massive file size was normal.
Sent from my Galaxy Nexus using Tapatalk 2
Regulus49001 said:
Will convert to twrp. Thanks. Just didn't know if that massive file size was normal.
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
I didn't force you to convert to TWRP by any means... If you like CWM, just use older version. Also that is normal
Another thing I should mention, TWRP cannot restore CWM backups and vice-versa.
kyokeun1234 said:
I didn't force you to convert to TWRP by any means... If you like CWM, just use older version. Also that is normal
Another thing I should mention, TWRP cannot restore CWM backups and vice-versa.
Click to expand...
Click to collapse
Or use one of the newer builds like 6.0.1.2 or 6.0.1.3 and choose to use the old .tar method.
Nburnes said:
Or use one of the newer builds like 6.0.1.2 or 6.0.1.3 and choose to use the old .tar method.
Click to expand...
Click to collapse
Well I don't have CWM anymore, so didn't know that
Nobody forced me into anything. I've been thinking about switching to twrp for a while now anyway. I prefer their UI to CWM. I've just used CWM since my days with my Droid Inc and EVO. TWRP was incredibly easy to convert to and I am currently making twrp back ups on both my Galaxy Nexus and my Nexus 7. I didn't have any old back ups that I couldn't live without in CWM. Now when I get rid of the CWM I can just delete the blobs folder and get that 11 gb back right? Plus I'm looking forward to using my USB OTG to store my backups. They have always been the one thing that has dominated my storage.
Regulus49001 said:
Nobody forced me into anything. I've been thinking about switching to twrp for a while now anyway. I prefer their UI to CWM. I've just used CWM since my days with my Droid Inc and EVO. TWRP was incredibly easy to convert to and I am currently making twrp back ups on both my Galaxy Nexus and my Nexus 7. I didn't have any old back ups that I couldn't live without in CWM. Now when I get rid of the CWM I can just delete the blobs folder and get that 11 gb back right? Plus I'm looking forward to using my USB OTG to store my backups. They have always been the one thing that has dominated my storage.
Click to expand...
Click to collapse
Oh OK. Well, you'll love TWRP then Good luck!
Nburnes said:
Or use one of the newer builds like 6.0.1.2 or 6.0.1.3 and choose to use the old .tar method.
Click to expand...
Click to collapse
where are the newer CWM builds? On his site:
http://www.clockworkmod.com/rommanager/
I only see 6.0.1.0 for the Galaxy Nexus.
jss2 said:
where are the newer CWM builds? On his site:
http://www.clockworkmod.com/rommanager/
I only see 6.0.1.0 for the Galaxy Nexus.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?p=31045760#post31045760
removing CWM
kyokeun1234 said:
This is all the data and info that you've backed up using Clockworkmod recovery. This is one of 6.0.1 "update". Apparently, this will save you some storage when you backup up multiple ROMs. Don't delete it, or the restoring would not be successful. If you want to delete a backup, either delete using file explorer or ROM manager. Then you reboot to recovery. Then the recovery will delete certain portion of the data in blob file that matches the deleted backup.
personally don't like it, so I use TWRP
Hope this answered your question
Click to expand...
Click to collapse
Question: I have both (CWM and TWRP) on the system and want to get rid of CWM with everything as I have backups from TWRP.
Can I just delete the clockworkmod folder?
VA3PFxdadev said:
Question: I have both (CWM and TWRP) on the system and want to get rid of CWM with everything as I have backups from TWRP.
Can I just delete the clockworkmod folder?
Click to expand...
Click to collapse
I think yes, this is what I've done when I was migrating from CWM to TWRP on my old phones.
Sent from Google Nexus 4 @ CM11
VA3PFxdadev said:
Question: I have both (CWM and TWRP) on the system and want to get rid of CWM with everything as I have backups from TWRP.
Can I just delete the clockworkmod folder?
Click to expand...
Click to collapse
If you have backups for TWRP. CWM folder is not necessary. Just bare in mind that this folder includes all your CWM backups.
VA3PFxdadev said:
Question: I have both (CWM and TWRP) on the system and want to get rid of CWM with everything as I have backups from TWRP.
Can I just delete the clockworkmod folder?
Click to expand...
Click to collapse
Yes, did and all is well as I have TWRP back-ups. Thanks!

Sorry if this has been posted already...

I'm freaking out and need some help. I recently rooted my S3 and everything went smoothly. I was running stock android 4.1.2 I think (multi-window feature) with root. Wanted to flash the cyanogemon 10.1 rom. I got titanium back up,backed up eveything. Flashed it. Seemed to be working normally but as I tried to restore my apps and things from the titanium back up it went all wrong. "Unfortunately,Email has stopped,the process android,process media has stopped. Also says process.acore has stopped and process.gapps has stopped pop up that is constant. I freaked out and tried to go back to normal and now I'm screwed.
I tried recovery and it tells me I dont have a OS on my phone. I than decided to Unroot the phone and start from a fresh stock android but it seemed like it worked 50%. I see the background and it shows me the set up google account for the phone but the pop up messages haven't stopped.If I go into the normal recovery and wipe data/factory reset will it solve the issue? And if it will should I choose to wipe cache partition first before doing so?
Which recovery do you have? Also I never backup system apps such as email, because they change when going from 1 rom to the next. No OS means you wiped system, without having another ROM saved on your sd card. If your computer still sees the internal and external memory and your custom recovery is still working, you should be able to save a new rom, do a full wipe-system, data, cache, dalvik cache. Then flash rom you already saved to your memory. I take it you didn't do a Android backup after you rooted and flashed custom recovery?
sent from somewhere
Miguelcoo1 said:
I'm freaking out and need some help. I recently rooted my S3 and everything went smoothly. I was running stock android 4.1.2 I think (multi-window feature) with root. Wanted to flash the cyanogemon 10.1 rom. I got titanium back up,backed up eveything. Flashed it. Seemed to be working normally but as I tried to restore my apps and things from the titanium back up it went all wrong. "Unfortunately,Email has stopped,the process android,process media has stopped. Also says process.acore has stopped and process.gapps has stopped pop up that is constant. I freaked out and tried to go back to normal and now I'm screwed.
I tried recovery and it tells me I dont have a OS on my phone. I than decided to Unroot the phone and start from a fresh stock android but it seemed like it worked 50%. I see the background and it shows me the set up google account for the phone but the pop up messages haven't stopped.If I go into the normal recovery and wipe data/factory reset will it solve the issue? And if it will should I choose to wipe cache partition first before doing so?
Click to expand...
Click to collapse
Ok, first I'll describe what you did and how that (most likely) messed up your phone. Then I'll describe what you can do to fix it.
Problem
It seems like your original flash of CM10.1 went smoothly. It must have been something to do with your Titanium Backup (TiBu) restores. More than likely, you tried to restore too much. In TiBu, the different apps have different colors: Red, Yellow, Green, and White. In the menu, you can see the following Legend:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
White: User Application. These are apps that you installed from the Play Store or sideloaded by directly installing an apk. These are safe to restore.
Red: System Application. These are system files that heavily rely on which Android version (4.1.x vs. 4.2.x) and whether you're on TW or AOSP. I always try to avoid restoring these backups (even when just upgrading to a newer version of the same Rom). Some people will say that you can restore the Data only for these, but my motto is: caution will help prevent mistakes (ground-shaking, I know).
Green: System Service with Useful Data: These are system apps that have useful information (such as User Accounts, etc.). I treat these the same as Red Backups, but am a bit more likely to restore the data of them (green means go, right?).
Yellow: These backups are system data that can be restored as an xml file. These are inherently safer than the red and green ones, and I say restore away (I always restore my Call Log, Messages, and Wi-Fi Access Points).
The reason you were getting FCs was restoring a red or green backup. This can sometimes work, but has a lot of potential for issues when switching between TW and AOSP Roms. Most likely something in your /system folder is messed up due to restoring an app. Even when you flash a new Rom, it just overwrites items in your System folder, it doesn't wipe /System. So whatever is wrong in your /System folder is still there, regardless of what you flash.
Ok, now that we've identified what's wrong with your phone, we can now help solve it!
Solution/Fixes
Are you able to get into a custom Recovery? If not, you need to use Odin and follow The Rooting Guide to get back to a custom recovery (I recommend TWRP, but CWM is just as good).
Next, you want to download a Rom and put it on your device. I'd recommend (just for now), to get Freeza's stock TW Rom.
Now, before you try to flash this Rom, you'll have to wipe. In order to get rid of the FCs, you'll have to at least wipe System. I'd recommend a full wipe of your Internal SD Card (after backing up anything you want to save), but it's not technically necessary. Afterwards, you can wipe data and cache/dalvik cache.
Then you can flash your Rom. It seems like you know how to do this, but in case you don't, I have previously posted directions over here.
Hope this helps!
joeyhdownsouth said:
So you never had a custom recovery, like CWM or TWRP? Also I never backup system apps such as email, because they change when going from 1 rom to the next.
sent from somewhere
Click to expand...
Click to collapse
I did have a Custom Recovery. I believe it was TWRP. I think all this happened was because when it occured I might of went into the recovery and accidently wiped system. I know that the phone didn't have OS on it and was blank. It just stayed on the Samsung boot screen. About 20 minutes ago I tried to unroot the phone and start with stock android. I didn't have much important stuff on my phone so I don't mind. The problem is when I did that it seemed to work. Only to find out that the pop-ups still exist and are constantly popping up where I cant do anything.
I would it worked seeing as though I can go into my stock recovery mode. Could it be possible to just wipe everything there and factory reset it or would it brick the phone? Also if I can just factory reset it through the stock recovery should I wipe the cache partition first?
topherk said:
Ok, first I'll describe what you did and how that (most likely) messed up your phone. Then I'll describe what you can do to fix it.
Problem
It seems like your original flash of CM10.1 went smoothly. It must have been something to do with your Titanium Backup (TiBu) restores. More than likely, you tried to restore too much. In TiBu, the different apps have different colors: Red, Yellow, Green, and White. In the menu, you can see the following Legend:
White: User Application. These are apps that you installed from the Play Store or sideloaded by directly installing an apk. These are safe to restore.
Red: System Application. These are system files that heavily rely on which Android version (4.1.x vs. 4.2.x) and whether you're on TW or AOSP. I always try to avoid restoring these backups (even when just upgrading to a newer version of the same Rom). Some people will say that you can restore the Data only for these, but my motto is: caution will help prevent mistakes (ground-shaking, I know).
Green: System Service with Useful Data: These are system apps that have useful information (such as User Accounts, etc.). I treat these the same as Red Backups, but am a bit more likely to restore the data of them (green means go, right?).
Yellow: These backups are system data that can be restored as an xml file. These are inherently safer than the red and green ones, and I say restore away (I always restore my Call Log, Messages, and Wi-Fi Access Points).
The reason you were getting FCs was restoring a red or green backup. This can sometimes work, but has a lot of potential for issues when switching between TW and AOSP Roms. Most likely something in your /system folder is messed up due to restoring an app. Even when you flash a new Rom, it just overwrites items in your System folder, it doesn't wipe /System. So whatever is wrong in your /System folder is still there, regardless of what you flash.
Ok, now that we've identified what's wrong with your phone, we can now help solve it!
Solution/Fixes
Are you able to get into a custom Recovery? If not, you need to use Odin and follow The Rooting Guide to get back to a custom recovery (I recommend TWRP, but CWM is just as good).
Next, you want to download a Rom and put it on your device. I'd recommend (just for now), to get Freeza's stock TW Rom.
Now, before you try to flash this Rom, you'll have to wipe. In order to get rid of the FCs, you'll have to at least wipe System. I'd recommend a full wipe of your Internal SD Card (after backing up anything you want to save), but it's not technically necessary. Afterwards, you can wipe data and cache/dalvik cache.
Then you can flash your Rom. It seems like you know how to do this, but in case you don't, I have previously posted directions over here.
Hope this helps!
Click to expand...
Click to collapse
Well as of right I believe I just unrooted the phone and went back to stock android because when I try and go into recovery mode, it gives me the normal stock recovery. I thought it would work but needless to say the applications pop-ups saying it stopped working is still happening. I can see the google account set up but cant do anything because of the pop-ups and also theres a I icnon with a no symbol around it on the top left corner (dont know what that means). Is it possible to factory reset and wipe the data from this stock recovery? And if so should I wipe cache partition first?
Also thanks for the help. My head hurts trying to figure out how to fix this...It just seems like everything I try and do makes it worse or the same.
Miguelcoo1 said:
I did have a Custom Recovery. I believe it was TWRP. I think all this happened was because when it occured I might of went into the recovery and accidently wiped system. I know that the phone didn't have OS on it and was blank. It just stayed on the Samsung boot screen. About 20 minutes ago I tried to unroot the phone and start with stock android. I didn't have much important stuff on my phone so I don't mind. The problem is when I did that it seemed to work. Only to find out that the pop-ups still exist and are constantly popping up where I cant do anything.
I would it worked seeing as though I can go into my stock recovery mode. Could it be possible to just wipe everything there and factory reset it or would it brick the phone? Also if I can just factory reset it through the stock recovery should I wipe the cache partition first?
Click to expand...
Click to collapse
It's not gonna work because you wiped system, and now you have stock recovery. I would follow topherk's post above this one. Very well written.
sent from somewhere
Miguelcoo1 said:
Well as of right I believe I just unrooted the phone and went back to stock android because when I try and go into recovery mode, it gives me the normal stock recovery. I thought it would work but needless to say the applications pop-ups saying it stopped working is still happening. I can see the google account set up but cant do anything because of the pop-ups and also theres a I icnon with a no symbol around it on the top left corner (dont know what that means). Is it possible to factory reset and wipe the data from this stock recovery? And if so should I wipe cache partition first?
Also thanks for the help. My head hurts trying to figure out how to fix this...It just seems like everything I try and do makes it worse or the same.
Click to expand...
Click to collapse
You're doing well, don't get too frustrated.
Stock recovery is relatively limited and it won't be able to wipe what you need to wipe. When you do a factory reset in Stock (or custom) recoveries, you are just wiping the /data folder. Since we've identified that it's most likely an issue with /System, a Factory Reset won't do any good.
Your best bet it to get a Custom Recovery again through the Rooting Guide. That guide is really well-written and has pictures so it's easier to follow.
After you have CWM and TWRP, it's real easy to wipe everything (in TWRP 2.5.0.0, you just wipe internal sd card and you're good to go). Or you can do a comprehensive wipe by wiping /System, /Data, Cache and Dalvik Cache. Then you can flash a Rom (again, I'd recommend Freeza's). After you get Freeza's Rom up and running, I'd make a Nandroid Backup immediately (in a Custom Recovery). This will be the backup that you can return to whenever something doesn't flash well.
topherk said:
You're doing well, don't get too frustrated.
Stock recovery is relatively limited and it won't be able to wipe what you need to wipe. When you do a factory reset in Stock (or custom) recoveries, you are just wiping the /data folder. Since we've identified that it's most likely an issue with /System, a Factory Reset won't do any good.
Your best bet it to get a Custom Recovery again through the Rooting Guide. That guide is really well-written and has pictures so it's easier to follow.
After you have CWM and TWRP, it's real easy to wipe everything (in TWRP 2.5.0.0, you just wipe internal sd card and you're good to go). Or you can do a comprehensive wipe by wiping /System, /Data, Cache and Dalvik Cache. Then you can flash a Rom (again, I'd recommend Freeza's). After you get Freeza's Rom up and running, I'd make a Nandroid Backup immediately (in a Custom Recovery). This will be the backup that you can return to whenever something doesn't flash well.
Click to expand...
Click to collapse
Thanks for all the help. I'm downloading the GS3 Root Kit Zip so I can follow your instructions. I'm going to try and bring my phone back to life. I'll update when hopefully its fixed lol.
topherk said:
You're doing well, don't get too frustrated.
Stock recovery is relatively limited and it won't be able to wipe what you need to wipe. When you do a factory reset in Stock (or custom) recoveries, you are just wiping the /data folder. Since we've identified that it's most likely an issue with /System, a Factory Reset won't do any good.
Your best bet it to get a Custom Recovery again through the Rooting Guide. That guide is really well-written and has pictures so it's easier to follow.
After you have CWM and TWRP, it's real easy to wipe everything (in TWRP 2.5.0.0, you just wipe internal sd card and you're good to go). Or you can do a comprehensive wipe by wiping /System, /Data, Cache and Dalvik Cache. Then you can flash a Rom (again, I'd recommend Freeza's). After you get Freeza's Rom up and running, I'd make a Nandroid Backup immediately (in a Custom Recovery). This will be the backup that you can return to whenever something doesn't flash well.
Click to expand...
Click to collapse
Well I did everything but flash the rom. My question is in the link you gave me to flash Freeza's rom which one do I download, The first one on the top?
Miguelcoo1 said:
Well I did everything but flash the rom. My question is in the link you gave me to flash Freeza's rom which one do I download, The first one on the top?
Click to expand...
Click to collapse
I knew this question was going to pop up... I should've put it in my original post.
You're probably going to want to flash the Deodex MD4 one:
DeOdex:
Sprint Touchwiz Jelly Bean 4.1.2 L710VPBMD4
MD5: 77262D9D6CF1A6AF30A8981A95A75D57
Click to expand...
Click to collapse
I find that a lot of mods require DeOdex Roms, so in case you decide to flash one in the future, it'll help to have it. And the main negative of DeOdex is a slightly longer start-up time, so I recommend people use DeOdex.
topherk said:
I knew this question was going to pop up... I should've put it in my original post.
You're probably going to want to flash the Deodex MD4 one:
I find that a lot of mods require DeOdex Roms, so in case you decide to flash one in the future, it'll help to have it. And the main negative of DeOdex is a slightly longer start-up time, so I recommend people use DeOdex.
Click to expand...
Click to collapse
Ok, I'm downloading the massive zip file on my desktop and waiting for it to be finished. My question is how am I going to transfer the zip file into the sdcard? Could it be just as simple as putting the phone in download mode and connect to my computer to transfer the file? Also I wanted to know once I Flash the rom and Custom Recovery which would be TWRP to Backup does it back up everything or is there only a few things I do need to back up. I ask because as of right now my phone is shut off and doesn't have a OS on it. Just waiting on the zip file to finally flash the rom and back it up.
I also wanted to ask you about something I been thinking about. When all this mess happened because I backed up files I wasnt suppose to back up with titanium back up, the backup file still exist on my sdcard. Is it possible for me to delete everything other than just the apps and it will work fine? I ask because I'm planning on getting the Cyan 10.1 rom again because I loved it (for the few minutes it ran fine). Or should I just not do it and start fresh? Would it be possible to use those app back up files when I install titanium back up again?
Miguelcoo1 said:
Ok, I'm downloading the massive zip file on my desktop and waiting for it to be finished. My question is how am I going to transfer the zip file into the sdcard? Could it be just as simple as putting the phone in download mode and connect to my computer to transfer the file? Also I wanted to know once I Flash the rom and Custom Recovery which would be TWRP to Backup does it back up everything or is there only a few things I do need to back up. I ask because as of right now my phone is shut off and doesn't have a OS on it. Just waiting on the zip file to finally flash the rom and back it up.
I also wanted to ask you about something I been thinking about. When all this mess happened because I backed up files I wasnt suppose to back up with titanium back up, the backup file still exist on my sdcard. Is it possible for me to delete everything other than just the apps and it will work fine? I ask because I'm planning on getting the Cyan 10.1 rom again because I loved it (for the few minutes it ran fine). Or should I just not do it and start fresh? Would it be possible to use those app back up files when I install titanium back up again?
Click to expand...
Click to collapse
Ok, so from what I can tell, you've already wiped your internal memory. Since you can't load up into the Rom to copy the files, there are a couple of ways to get them on your phone:
Manual Copy: Take the external Micro SD card out and pop it into an adapter and insert it into your computer to copy the file (I've done this once or twice).
Recovery Mounting as USB: If you have TWRP 2.4.1.0 or 2.5.0.0, there should be an option which allows you to mount the phone as a usb mass storage. It should be in the mount menu.
ADB Copy: Connect the phone to the computer and boot the phone into download mode. You can then use adb to copy the file over to the phone. I'm personally not very good with adb, but there are good guides on here with how to do this. (Guide 1) (Guide 2)
Once you get a Rom up and running on your phone, you won't have to do these, but since it wasn't working before, this is the way to do it.
topherk said:
Ok, so from what I can tell, you've already wiped your internal memory. Since you can't load up into the Rom to copy the files, there are a couple of ways to get them on your phone:
Manual Copy: Take the external Micro SD card out and pop it into an adapter and insert it into your computer to copy the file (I've done this once or twice).
Recovery Mounting as USB: If you have TWRP 2.4.1.0 or 2.5.0.0, there should be an option which allows you to mount the phone as a usb mass storage. It should be in the mount menu.
ADB Copy: Connect the phone to the computer and boot the phone into download mode. You can then use adb to copy the file over to the phone. I'm personally not very good with adb, but there are good guides on here with how to do this. (Guide 1) (Guide 2)
Once you get a Rom up and running on your phone, you won't have to do these, but since it wasn't working before, this is the way to do it.
Click to expand...
Click to collapse
Ok, the phone is back and running good. I just flashed and its working great...Again, Thanks a lot. Thanks for being so patient with me lol. It's been a all day affair for me wit this. I just Backed up the Rom in the TWRP recovery mode and just backed up /System /Data /Boot. I also compressed it and put it on my external SD. Now that I got that out the way, I wanted to verify if my thought on using the back up files (apps only) from the last titanium backup (which messed up my phone) to maybe try and restore them to get the phone to how it was and wont lose my apps/games? Can this be done or would it be difficult to know the differences between a app and other files?
When I backup in twrp, I typically choose everything. The recovery and cache are typically so small it doesn't matter.
In terms of titanium backups, I'd say it's safe to restore any user apps, but no system apps, not even the green ones.
Glad to hear everything worked for you!
Sent from my SPH-L710 using xda app-developers app
topherk said:
When I backup in twrp, I typically choose everything. The recovery and cache are typically so small it doesn't matter.
In terms of titanium backups, I'd say it's safe to restore any user apps, but no system apps, not even the green ones.
Glad to hear everything worked for you!
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
Believe me you saved me from disaster. I was going nuts trying to find a way to fix it. Glad you saw my thread and your patience to help. I'm thinking about backing up the rom again after updating all the normal stock apps but before I try and get my apps that I downloaded from the play store. I do have one quick question, The TWRP backup also backs up the apps that you have right?
I have one last question. If my backup file (titanium) is on my external SD how can I tell which apps I can restore when I download titanium back up again? Is there even a way to know?
Yeah, it's better to have a nandroid backup of your set-up phone. It makes a restore much more palatable.
In terms of TiBu, it should find your restore folder. If not, you can manually set it from the settings.
Sent from my SPH-L710 using xda app-developers app
topherk said:
Yeah, it's better to have a nandroid backup of your set-up phone. It makes a restore much more palatable.
In terms of TiBu, it should find your restore folder. If not, you can manually set it from the settings.
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
I now learned to always have a nandroid backup to make life so much easier lol. My only concern with TiBu finding the restore folder on my External SD, I'm concerned that all this might happen again. So from what you told me just restore the user apps only..Nothing more? Thank you man, your a life saver.
No problem man, I enjoy helping people and it deepens my understanding of my own phone.
TiBu shouldn't restore your apps unless you tell it to. I always restore one app at a time, so I know exactly what I'm restoring. I have my TiBu to automatically backup my phone daily at 3am. It backs up everything, system and user apps. I just make sure that I only restore user apps when I flash a new Rom.
Sent from my SPH-L710 using xda app-developers app
topherk said:
No problem man, I enjoy helping people and it deepens my understanding of my own phone.
TiBu shouldn't restore your apps unless you tell it to. I always restore one app at a time, so I know exactly what I'm restoring. I have my TiBu to automatically backup my phone daily at 3am. It backs up everything, system and user apps. I just make sure that I only restore user apps when I flash a new Rom.
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
Sorry to bother you again but I just saw something that seems pretty fishy. I been practically on Wifi since I flashed the phone and now everything works. The issue i'm seeing though is that the signal bars are good with reception yet the 3g symbol isnt showing up. I tried to make a call and it seems like it works but I can't go on the internet. It just gives me the webpage not available screen. I dont think I have a data connection..Any ideas?
Update profile and prl.
Transmitted with a portable device using Xparent Blue Tapatalk 2

[SOLVED] Back to stock ROM

I bought a device with a pretty bad CID, it's very unfamiliar... HTC_K18 , if anyone's knows about this by any chance
Anyway, after I got tired of waiting to the Jelly Bean update [which only arrived 2~3 months ago I think], I rooted my device and got a custom ROM
Now, that my CID finally got the update, I wanted some suggestions on how to do this...
I checked out some threads that guide newbies, such as me, on going back to Stock ROM. With all honesty, I didn't completely understand all of them, and the ones I did required to download firmwares which is tricky with my CID, so I need some advising..
Whats the best way for my condition to do this, and with the lowest chance of screwing up my device?
Is the best way to get 100% stock, and then get the updaet via OTA, or download and install the firmware directly?
I have a nandroid backup I have saved in my computer for this day, so if it's helpful lemme know how to use it :3 [Honestly I forgot do nandroid backup before I Rooted, so this is someone else's back up, with the same CID and ICS Firmware]
My current firmware is: 2.17.402.2
Thanks in advance ,
SrebX
Edit:
After I downloaded the JB update via OTA and pressed Install now, it rebooted, then went into Recovery writing down there "Installation aborted" :3
How can I fix this? ><
Post the result of fastboot getvar version-main
Just to be sure about your version main... There's no nandroid backup for your cid... You should have taken a nandroid backup of your device before rooting it...
-Sent from my IceCold One X!
vin4yak said:
Post the result of fastboot getvar version-main
Just to be sure about your version main... There's no nandroid backup for your cid... You should have taken a nandroid backup of your device before rooting it...
-Sent from my IceCold One X!
Click to expand...
Click to collapse
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As I said, I have a Nandroid backup of my CID from someone else, is that not good enough? :3
SrebX said:
As I said, I have a Nandroid backup of my CID from someone else, is that not good enough? :3
Click to expand...
Click to collapse
Yes... It should work... Provided the version main matches... :good:
-Sent from my IceCold One X!
vin4yak said:
Yes... It should work... Provided the version main matches... :good:
-Sent from my IceCold One X!
Click to expand...
Click to collapse
Thanks for the reply
But how do I do it?
Unpack the nandroid backup to the sdcard if the phone (mount the sdcard as diskdrive in the recovery) and put it in the backup folder
I assume for a minute its taken with the CWM recovery. So it should look like this :
Sdcard\clockworkmod\backup\*date & time folder*\backup files
Copy the boot.img from the backup folder to the fastboot folder on the pc and flash it
Fastboot erase cache
Fastboot flash boot boot.img
Fastboot erase cache
Then enter the recovery and perform a full wipe
Factory reset
Wipe cache
Advanced-wipe dalvik cache
Mounts&storage-format cache,data,system
Then restore the backup via the backup & restore menu inside the recovery
Mr Hofs said:
Unpack the nandroid backup to the sdcard if the phone (mount the sdcard as diskdrive in the recovery) and put it in the backup folder
I assume for a minute its taken with the CWM recovery. So it should look like this :
Sdcard\clockworkmod\backup\*date & time folder*\backup files
Copy the boot.img from the backup folder to the fastboot folder on the pc and flash it
Fastboot erase cache
Fastboot flash boot boot.img
Fastboot erase cache
Then enter the recovery and perform a full wipe
Factory reset
Wipe cache
Advanced-wipe dalvik cache
Mounts&storage-format cache,data,system
Then restore the backup via the backup & restore menu inside the recovery
Click to expand...
Click to collapse
Worked like a charm
Thanks a lot mate
Now, if I want to install a Custom ROM, all I need to do is the usual Flash?
Edit:
After I downloaded the JB update via OTA and pressed Install now, it rebooted, then went into Recovery writing down there "Installation aborted" :3
How can I fix this? ><
Flash back the stock recovery and try again
http://db.tt/OtcxVXh5
Mr Hofs said:
Flash back the stock recovery and try again
http://db.tt/OtcxVXh5
Click to expand...
Click to collapse
So I'm supposed to put this in the fastboot and type "fastboot flash boot stock recovery 2.17.img" ?
Yes or rename it to just recovery.img first and then flash it
Fastboot flash recovery recovery.img
Fastboot erase cache
Mr Hofs said:
Yes or rename it to just recovery.img first and then flash it
Fastboot flash recovery recovery.img
Fastboot erase cache
Click to expand...
Click to collapse
Worked!
Thanks a lot I really appreciate the help
So now if I want a custom ROM, I gotta flash my old Recovery back, then the usual ROM flashing process?
Yes flash the custom recovety back, MAKE A NEW STOCK NANDROID AND KEEP IT SAFE .....you need it again to update in the future and then you can flash custom roms again ! :thumbup:
Mr Hofs said:
Yes flash the custom recovety back, MAKE A NEW STOCK NANDROID AND KEEP IT SAFE .....you need it again to update in the future and then you can flash custom roms again ! :thumbup:
Click to expand...
Click to collapse
Thank you so much
Solved.
Very good ! :thumbup:
Happy flashing
CASE CLOSED !

[Q] I got sent an unlocked M8, how to go to default install?

Hi,
Rogers sent me a refurb M8 but the problem is it's unlocked and it shows these at the startup (at the end of the post).
How can I restore this to default locked or unrooted version where I don't see this kind of stuff? I just want the default setup. The phone asked me to install the newest android and I accepted but it still shows the same startup which prevents installing the update automatically as it would otherwise.
I went to restore and I chose this update (I think) myself and now after the install, my phone is stuck in this looped animation which starts with "google" and then you see these 4 circle like shapes moving into the center and away forever. What should I do?
Thanks.
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why not just send it back and make it their problem?
obviously not much refurb done on it if it has unlocked bootloader and custom recovery....
Thanks I could do that but they sent this to me accidentally so I want to keep it. My old phone is M7. But the problem is I don't know what I need to do.
I followed the method 2 here but I don't know how to initiate the custom rom installation, it doesn't start:
http://www.droidviews.com/restore-sprint-htc-one-m8-to-stock-rom-with-ruu/
Choosing HBOOT, shows a different menu, doesn't do anything.
Any ideas?
Thanks.
lachdanan said:
I followed the method 2 here but I don't know how to initiate the custom rom installation, it doesn't start:
http://www.droidviews.com/restore-sprint-htc-one-m8-to-stock-rom-with-ruu/
Click to expand...
Click to collapse
That is not a custom ROM installation, its the RUU for the Sprint variant.
Its a good thing it didn't start, as the Sprint and Verizon versions are CDMA, and installing anything for those versions might brick your phone. I strongly recommend you not follow anything from that webpage.
Also, on the hboot screen, does it say S-on or S-off? What hboot number?
You should go to the following thread, get the nandroid for Rogers, flash in TWRP. Then get the corresponding stock recovery and flash in fastboot: http://forum.xda-developers.com/showthread.php?t=2701376
You will also need to install fastboot, and I think this is probably the easiest and least painful method:
http://forum.xda-developers.com/showthread.php?t=2588979
I can understand why you want to keep this phone. But to do what you are asking, you will have to be patient and do some learning . . .
Thanks alot, I don't mind some learning but I have a week to do this and then try out the phone so I can tell if it works. So then I can return my original phone. Otherwise they would charge me the full price of the phone.
Ok so on the hboot screen, it says s-off.
Hboot version is 3.16.0.0000.
So nandroid is someone's backup right? How do you flash in TWRP? I think using Hasoon2000s app, I installed ClockWorkMod because that's what I see now.
You mean installing fastboot on my PC? Because I think I did that as I can use that command and my phone boots.
Is "1.12.631.17 - TWRP" nandroid a good one from the first link you posted?
Lastly when I do this, it will basically have this OS, right? But will the TWRP, etc stay? Because I thought it will be like formatting my PC where everything is gone and all I have left is factory stock sense.
Thansk again.
lachdanan said:
So nandroid is someone's backup right? How do you flash in TWRP?
Click to expand...
Click to collapse
Correct, its a nandroid somebody else made. Its meant to be "stock" and for anyone to install (assume it contains no user data). You install by placing the backup in the appropriate folder (if TWRP, find the folder TWRP on the internal storage, and you will see subfolder called "Backups" and inside a folder with some random looking letter and numbers (mine says HT. . . .). Its inside that folder, you want to save the downloaded nandroid file.
Once the file is saved to the right place, TWRP will just think its a backup you made. So select "Restore" in TWRP and select the appropriate file.
lachdanan said:
I think using Hasoon2000s app, I installed ClockWorkMod because that's what I see now.
Click to expand...
Click to collapse
If your recovery is CWM, select the CWM nandroid. If your recovery is TWRP, you need to select the TWRP nandroid. The 2 recoveries work differently, so you can't restore a CWM nandroid with TWRP, or vice versa.
lachdanan said:
You mean installing fastboot on my PC? Because I think I did that as I can use that command and my phone boots.
Click to expand...
Click to collapse
If you have fastboot installed on your PC, then you are all set. I just assumed you did not.
Fastboot is only needed to install stock recovery (after restoring a nandroid), if you want a truly "stock" install.
lachdanan said:
Is "1.12.631.17 - TWRP" nandroid a good one from the first link you posted?
Click to expand...
Click to collapse
Its the nandroid that has the stock Rogers software, yes. As mentioned before, you need to have TWRP recovery if you want to restore the TWRP nandroid file.
lachdanan said:
Lastly when I do this, it will basically have this OS, right? But will the TWRP, etc stay? Because I thought it will be like formatting my PC where everything is gone and all I have left is factory stock sense.
Click to expand...
Click to collapse
You will still be on custom recovery. The nandroid doesn't include recovery.
It not like formatting a PC as you describe; because on the phone, recovery and a lot of other things (radio, bootloader, and more) are on separate partitions. A nandroid restores the system (OS), data (user data) boot (kernel) partitions. The other partitions are left untouched.
If you want to restore stock recovery, you can do that as well as shown in the link I provided (same thread as the nandroid backups).
Wow thanks alot man, I understand it alot better now.
After I do this though, and the phone installs a new update for me, will I be able to install it?
Because right now when that happens and I say "install now", it restarts and shows TWRP but from there I don't know how to install this update. I am used to selecting "install now" and the phone would automatically install it at startup. I want to have this behaviour if possible.
Also how can I restore the stock sense after restoring the nandroid?
PS: I just restored the nandroid but when the phone restarted, I see my old OS, i.e. same wallpaper, same apps I have, instead of seeing the startup wizard. I assume I won't see the startup wizard but shouldn't it be a brand new OS like you said? So it didn't work?
TWRP said it restored successfully in 126 seconds.
Thanks again.
Any ideas?
Which nandroid backup did you download? You must have also the same recovery. But let's take it one step at a time. Let us know which nandroid you downloaded and we will take it from there.
stathis95194 said:
Which nandroid backup did you download? You must have also the same recovery. But let's take it one step at a time. Let us know which nandroid you downloaded and we will take it from there.
Click to expand...
Click to collapse
Thanks I used 1.12.631.17 - TWRP.
lachdanan said:
Thanks I used 1.12.631.17 - TWRP.
Click to expand...
Click to collapse
Can you open the zip file and tell me a bit the folder structure? You will need xopy this folder to your external sdcard and from TWRP you go to Restore and select the folder from the sdcard to restore the nandroid.
It's not a flashable zip
Thanks I am not home right now but it had a few files. I extracted the folder to my pc and then copied the folder. I saw it in twrp and then it restored it correctly. I mean I saw the nandroid there in the restore list. So I did that correctly right?
lachdanan said:
Thanks I am not home right now but it had a few files. I extracted the folder to my pc and then copied the folder. I saw it in twrp and then it restored it correctly. I mean I saw the nandroid there in the restore list. So I did that correctly right?
Click to expand...
Click to collapse
Correct. Did it boot properly? If yes, then you are good to go.
That's the thing, on reboot I still see my old OS. Is it not supposed to format the old one?
lachdanan said:
That's the thing, on reboot I still see my old OS. Is it not supposed to format the old one?
Click to expand...
Click to collapse
It should. Check Settings-About-software information.
What does ROM version say?
stathis95194 said:
It should. Check Settings-About-software information.
What does ROM version say?
Click to expand...
Click to collapse
Sorry for the late reply, I just got my phone. So it says:
android ver:
4.4.2
HTC Sense ver:
6.0
software number:
1.12.631.17
Is this correct?
Yes this is correct. Now if you flash stock recovery 1.12.631.17 you are stock and ready to receive OTA from HTC
stathis95194 said:
Yes this is correct. Now if you flash stock recovery 1.12.631.17 you are stock and ready to receive OTA from HTC
Click to expand...
Click to collapse
Thanks, how do I do that? Do you mean selecting factory reset from the boot menu?
Also if nandroid restore worked, why do I see my apps and wallpaper, etc? Is this normal? Sorry for being a noob, I just never dealt with this.
lachdanan said:
Thanks, how do I do that? Do you mean selecting factory reset from the boot menu?
Also if nandroid restore worked, why do I see my apps and wallpaper, etc? Is this normal? Sorry for being a noob, I just never dealt with this.
Click to expand...
Click to collapse
First of all factory reset...It will reset your rom and you will be completely stock ready to setup like new.
Then to get rid of the custom recovery, download the recovery from here:
http://d-h.st/sQF
Paste it in your fastboot folder and reboot to bootloader.
then run this command.
fastboot flash recovery stock recovery 1.12.631.17 recovery.img
Reboot and you are set
Thanks alot man, I will try this tomorrow and report back asap. But by fastboot folder do you mean the one in the Android folder or somewhere else?
C:\Users\username\AppData\Local\Android\android-sdk\platform-tools

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