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Question about installing custom ROM w/ TWRP

Just got a T999 GS3 today. Already rooted and installed TWRP. I do not have an External SD card, so I will be putting the ROM that I want to flash (CM10 Stable) on internal SD card. But since I have to WIPE everything before I install the Custom ROM, how do I make sure that I don't wipe the custom ROM install zip as well?
Do I just do a WIPE of cache, dalvik cache, and system? And make sure that I do not wipe internal storage?
Or is there something else to this?
Thanks!!

Do a factory reset wipe system then wipe both caches install ROM wipe both caches again and fix permissions you should be good.
Sent from my SGH-T999 using xda premium

Wipe cache, dalvik, fatory reset..... wont delete yr ROM zip file.
Sent from my SGH-T999 using xda premium

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phositadc said:
Just got a T999 GS3 today. Already rooted and installed TWRP. I do not have an External SD card, so I will be putting the ROM that I want to flash (CM10 Stable) on internal SD card. But since I have to WIPE everything before I install the Custom ROM, how do I make sure that I don't wipe the custom ROM install zip as well?
Do I just do a WIPE of cache, dalvik cache, and system? And make sure that I do not wipe internal storage?
Or is there something else to this?
Thanks!!
Click to expand...
Click to collapse
No, there is a seperate option for that.
1. Factory reset
2. Flash ROM and various files
3. reset dalvik cache and cache
4. Reboot
Easy as that

Which method you followed to root? I just got the phone and look ing for the easy way to root. I heard a lot about lost the IMEI so I'm kind of worry

Thanks all. I'm now running CM10 stable and all seems to be well.
saotua said:
Which method you followed to root? I just got the phone and look ing for the easy way to root. I heard a lot about lost the IMEI so I'm kind of worry
Click to expand...
Click to collapse
I actually used this method: http://www.androidrootz.com/2012/10/how-to-root-galaxy-s3-on-mac-osx.html. It worked fine and took about 20 seconds. I then used Goo Manager to install TWRP, and then I installed CM10 and Gapps. Whole process took literally about 10 minutes. Wasn't even aware of the IMEI issue prior to rooting. I will have to remember to backup my IMEI sometime today.

[Q] Quick Question About Full Wiping

Hey there,
Running CM10 on an AT&T Galaxy S3 and I want to wipe my phone to reinstall a fresh copy of cm10. Haven't done this too often so my question is,
In CWM, is it enough to simply Wipe Data/Factory Reset to achieve a full wipe, or do I need to format the phone? If I format the phone, would I need to re-root it again?

etham3 said:
Hey there,
Running CM10 on an AT&T Galaxy S3 and I want to wipe my phone to reinstall a fresh copy of cm10. Haven't done this too often so my question is,
In CWM, is it enough to simply Wipe Data/Factory Reset to achieve a full wipe, or do I need to format the phone? If I format the phone, would I need to re-root it again?
Click to expand...
Click to collapse
I would just follow op instructions exactly on installing rom I always full wipe and never had a issue yet I wipe data/factory rest.wipe cash,wipe dav,mount and storage format system and no u won't loss root ..
Sent from my SGH-I747 using xda premium

S4 wipe data internal or external etc

Helping my aunt do her phone to add google edition rom 4.2.2 i know how to root and install cwm but I know I need to transfer the rom do I need to transfer it on sd card because wipe data factory reset will delete all internal storage? And using that rom do I need to flash the tmobile kernel?

You need to flash the T-Mobile kernel, if you want to put the ROM on the internal SD card simply flash it first then wipe.
Sent from my SGH-M919 using Tapatalk 4 Beta

androiddownloader said:
Helping my aunt do her phone to add google edition rom 4.2.2 i know how to root and install cwm but I know I need to transfer the rom do I need to transfer it on sd card because wipe data factory reset will delete all internal storage? And using that rom do I need to flash the tmobile kernel?
Click to expand...
Click to collapse
It doesn't matter whether you put the ROM zip on the external SD card or the internal memory. Before you flash a ROM you want to wipe cache, dalvik, data, and system.. not after. Wiping those partitions won't touch your internal storage; though it is true that if you want a clean slate after flashing the GE4.2.2, you could go through the steps, then wipe internal storage only AFTER the flash.

tonytien said:
You need to flash the T-Mobile kernel, if you want to put the ROM on the internal SD card simply flash it first then wipe.
Sent from my SGH-M919 using Tapatalk 4 Beta
Click to expand...
Click to collapse
lordcheeto03 said:
It doesn't matter whether you put the ROM zip on the external SD card or the internal memory. Before you flash a ROM you want to wipe cache, dalvik, data, and system.. not after. Wiping those partitions won't touch your internal storage; though it is true that if you want a clean slate after flashing the GE4.2.2, you could go through the steps, then wipe internal storage only AFTER the flash.
Click to expand...
Click to collapse
Can you link to me the tmobile kernel I want to make sure I get the right one so I have no problems and
it's only the ge edition 4.2.2 and 4,3 needs tmobile kernel right but the rest don't?
and wipe data factory reset deletes internal right?
So flash first then wipe data factory reset?
Sorry for the excessive questions I'm only used to doing my lg optimus

Download the Rom you want to flash.
If it is not for the SGH M919 (T Mobile S4), you will need to also download ANY SGH-M919 Kernel.
Cut out the middle man and just grab a GE rom from the T Mobile Development Thread.
(I recommend this one):
http://forum.xda-developers.com/showthread.php?p=43635198#post43635198
Throw the rom onto your external SD.
I recommend wiping everything for a clean slate, especially because you are changing everything about the phone, (data, factory reset, caches, internal, system).
This rom specifically gives you a nice little Aroma (or customization) while flashing the rom onto the phone.
Hope this helps.
Sent from my SGH-M919 using xda premium

androiddownloader said:
Can you link to me the tmobile kernel I want to make sure I get the right one so I have no problems and
it's only the ge edition 4.2.2 and 4,3 needs tmobile kernel right but the rest don't?
and wipe data factory reset deletes internal right?
So flash first then wipe data factory reset?
Sorry for the excessive questions I'm only used to doing my lg optimus
Click to expand...
Click to collapse
T-Mobile kernels are in the Original Android Development section here. And no, it's not JUST the 4.2.2 and 4.3 needing TMO kernels; it's ANY Galaxy S4 ROM you flash outside of the T-Mobile development section. Best way to remember, if you download it from the T-Mobile section, no need to flash a kernel. If you download the ROM from any other S4 section, you WILL need a T-Mobile kernel. Also worth noting is that there are kernels for TouchWiz and AOSP/CM. A TouchWiz kernel will not work on AOSP/CM and vice versa. The GE 4.2.2, having the TouchWiz framework, can use any of the TouchWiz kernels here (not AOSP, also useless information if you d/l from the TMO dev section); but I won't comment on what kernels the 4.3 can use as I'm not exactly sure.
And as for what to wipe, it depends on what recovery you're using; I haven't used CWM in almost a year, so if you use CWM my recommendations may be a little off. I've used TWRP ever since it was ported to my previous device, so my directions are from using TWRP; the only time internal storage will be wiped is if you select it from the advanced wipe menu. None of the other options (dalvik cache, system, data, cache) will wipe your internal storage. If you are simply changing between different TouchWiz ROMs, there is no need to wipe data. The data partition should work fine between all TouchWiz ROMs. If I'm switching between TW ROMs, the order I use is to: wipe dalvik, system, and cache at one time; then flash the ROM and, if the ROM isn't for the M919, flash kernel. The only difference in my method when moving from TW to CM or vice versa is that I format data also. I haven't experienced too many problems saving data between ROMs of the same type; i.e. ParanoidAndroid and CM, or different versions of TouchWiz... but if you're moving from a CM variant to a TouchWiz ROM, it's really a good idea to go ahead and wipe your data partition.
And as always, if you experience problems in any ROM you flash, try wiping everything (dalvik, system, data, and cache) and trying from a clean slate. Another thing to keep in mind, if you use TiBu to backup your apps and data, there can be problems if using app data between CM and TW. When you restore, be sure to check App only and not App+data. I definitely wouldn't recommend interchanging app data between 4.3 and ANY version of 4.2.2.

[Q] format internal memory samsung galaxy s 4

so i formated the internal storage with team win rcovery. I installed Alpha s4 v2.0 and it works fine but when i install anyothere mods and reboot my phone it stays on the logo Galaxy S 4 logo and I have to re flash the ROM again but i have to formatted the internal storage again just to flash the rom . does any one have any idea how to fix this pls help

Reformat it in recovery
Sent from my SGH-M919 using Tapatalk 2

richardlibeau said:
Reformat it in recovery
Sent from my SGH-M919 using Tapatalk 2
Click to expand...
Click to collapse
what do you mean like how ? because installing rom like doing a factory reset doesn't work get me on to the Galaxy S 4 logo and that it. I have to format the data just to install any Rom dont know why but im getting frustrated about it

SuperAndroidman said:
what do you mean like how ? because installing rom like doing a factory reset doesn't work get me on to the Galaxy S 4 logo and that it. I have to format the data just to install any Rom dont know why but im getting frustrated about it
Click to expand...
Click to collapse
Should be an option in mount storage or advanced section of recovery to format .
Sent from my SGH-M919 using Tapatalk 2

STOP!!! TWRP is known for messing up your phone when you format internal memory. It will lead to bootloops and even the rom not booting at all. Switch recoveries to Clockwork or Philz and you will be fine. You may need to Odin back to stock to fix the issue first.

Cal-El said:
STOP!!! TWRP is known for messing up your phone when you format internal memory. It will lead to bootloops and even the rom not booting at all. Switch recoveries to Clockwork or Philz and you will be fine. You may need to Odin back to stock to fix the issue first.
Click to expand...
Click to collapse
just doing Odin put me back stock or do i need look for the stock rom and stock kernel then run odin? link pls

What to Wipe in TWRP
If you are switching ROMs (changing from one ROM to a completely different one) then you should perform a factory reset. A factory reset wipes data and cache (which includes dalvik cache). A factory reset will also wipe sd-ext and android_secure if your device has those items. 99% of the time, this is all that you need to wipe and you only need to do it once, not three times as some people would lead you to believe.
If you're installing a nightly update, then oftentimes you don't need to wipe anything at all. However, if you encounter strange behavior, then you may want to consider performing a factory reset. Of course, if the ROM maker recommends that you do a factory reset during an update, then it's a good idea to follow their recommendation.
The vast majority of ROMs wipe system as part of the zip install. This means that in most cases you do not need to wipe system... ever.
At this point, cache (not dalvik cache) is primarily used for recovery. It's used to store the recovery log and for storing OTA (Over The Air) updates. You probably don't need to wipe cache, and cache is already wiped as part of a factory reset.
In most ROMs, dalvik cache is stored in the data partition, so if you do a factory reset, you've also wiped dalvik cache. In a few custom ROMs, especially on older devices with small data partitions, the ROM maker may have moved dalvik to the cache partition to provide you with more room for apps. Since we wipe cache with a factory reset, again, you probably don't need to wipe dalvik. There are a few situations where you may need to wipe dalvik cache when installing updates, but you will know that it's needed when you are greeted with force closes when trying to open some apps.
Depending on your device and its configuration, you may have options for wiping internal storage, external storage, sd-ext, android_secure, and/or an option for formatting data. There's almost no reason that you would ever need to use these items. These options are there for convenience. For instance, if you're getting ready to sell your device, then it's a good idea to wipe everything on the device so that the new owner doesn't get your private data. Note that these wipe options may not be completely destructive. If you store especially sensitive information on your device or are really concerned about your private data, then you may need to look into other options to ensure that your data is fully destroyed.
http://teamw.in/whattowipe
http://teamw.in/project/twrp2

[Q] Remnants

Hi there, apologies if this is a silly question. I'm not an expert by any means, just a guy who follows the directions given on helpful sites like this.
I recently flashed the Slimkat ROM onto my n7100 for various reasons. But when I did, I obviously didn't completely wipe everything (which is what I intended).
Because for example, I installed a couple games on there and found that my game-saves were still there, also there were some bits on the obb folder from apps that I had on my phone previously but haven't installed since flashing the new ROM.
Why is this? Did I maybe miss a step when flashing the ROM? I know I did the 'wipe and restore factory settings' part in CWM, but I'm not 100% if I did the part with wiping the dalvik and cache etc.
Would that be the reason?
And If I want to give my phone a completely clean wipe what's the best way to do that now? Would I have to go through the steps as if I were flashing the ROM all over again? Or could I just go into recovery mode and wipe the dalvik, cache, system, data etc and reboot?
P.S. Yes, I know that no one who gives advice is responsible if I brick my phone.

sonofsmallface said:
Hi there, apologies if this is a silly question. I'm not an expert by any means, just a guy who follows the directions given on helpful sites like this.
I recently flashed the Slimkat ROM onto my n7100 for various reasons. But when I did, I obviously didn't completely wipe everything (which is what I intended).
Because for example, I installed a couple games on there and found that my game-saves were still there, also there were some bits on the obb folder from apps that I had on my phone previously but haven't installed since flashing the new ROM.
Why is this? Did I maybe miss a step when flashing the ROM? I know I did the 'wipe and restore factory settings' part in CWM, but I'm not 100% if I did the part with wiping the dalvik and cache etc.
Would that be the reason?
And If I want to give my phone a completely clean wipe what's the best way to do that now? Would I have to go through the steps as if I were flashing the ROM all over again? Or could I just go into recovery mode and wipe the dalvik, cache, system, data etc and reboot?
P.S. Yes, I know that no one who gives advice is responsible if I brick my phone.
Click to expand...
Click to collapse
wipe cache + factory reset and dalvik cache. you should be ok. Also don't wipe system.
Sent from my GT-N7100 using Tapatalk

ceomaverick said:
wipe cache + factory reset and dalvik cache. you should be ok. Also don't wipe system.
Sent from my GT-N7100 using Tapatalk
Click to expand...
Click to collapse
Just a follow up - I did a wipe + factory reset, wiped cache partition, wiped davlik cache, and was surprised to find I still had leftovers on my phone. For example I had some episodes of a tv show in my downloads folder and also there was still app leftovers in the obb folder. Meh... I'll just delete stuff manually.

sonofsmallface said:
Just a follow up - I did a wipe + factory reset, wiped cache partition, wiped davlik cache, and was surprised to find I still had leftovers on my phone. For example I had some episodes of a tv show in my downloads folder and also there was still app leftovers in the obb folder. Meh... I'll just delete stuff manually.
Click to expand...
Click to collapse
Well, you will have to flash stock recovery then. after that, wipe data/factory reset and wipe cache. This will erase everything on internal SD card. I assume u have backed up EFS and other important stuff.
press thumbs up if u find this suggestion helpful.

ceomaverick said:
Well, you will have to flash stock recovery then. after that, wipe data/factory reset and wipe cache. This will erase everything on internal SD card. I assume u have backed up EFS and other important stuff.
press thumbs up if u find this suggestion helpful.
Click to expand...
Click to collapse
By the way, I sort of overlooked the obvious - in the end I just did a factory wipe and reset from inside Slimkat i.e. not via recovery mode.
And that did the job fine. Cleaned up several gigs worth of clutter which apps like SD Maid seemed to have skipped over as well.