Hi all. New at flashing on the Evo. I'm currently running the Elite I ROM. My question is, can you flash just a kernel or is that a part of the kitchen process and is included in the ROM, such as the Elite I that I'm running. Curious if I can flash a kernel alone, and if so, when I wipe wouldn't that wipe the ROM off too? I'm trying to improve my battery life on the phone and appreciate a quick q&a on kernels and the in's and outs. Thanks!
Do a nandroid backup first, then flash the kernal you wish to try out. If you don't like it, restore the nandroid and then flash another kernal.
Usually try to give a new kernal a day or 2.
Every phone is different, so someone might get great results with one kernal where you don't get the same. So try them out.
So the nandroid backs up kernel and ROM, right? If so, then I flash new kernel and i'll have the current ROM and the new Kernel??? That being said, what about wipe? Do i wipe? Is there a choice to just wipe kernel? Thanks!!!
surrealmethod said:
Do a nandroid backup first, then flash the kernal you wish to try out. If you don't like it, restore the nandroid and then flash another kernal.
Usually try to give a new kernal a day or 2.
Every phone is different, so someone might get great results with one kernal where you don't get the same. So try them out.
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Click to collapse
where the hell did you come up with that garbage?
you don't need to do a nandroid. Only if you want to go back to the original kernal for some reason.
you do need to wipe cache and delvik cache before flashing a new kernel. If you don't like the kernal you flashed, go back to recovery and repeat with a wipe of cache and delvik-cache, and then flash a different one.
Related
I know you need to do perf unlock now, but even when I do that setCPU still has shows the processor as fluxing all over the place. I had to uninstall it.
Guess I'll have to install a custom kernel.
Is anyone else having these problems?
If I install a custom kernel, will flashing a nandroid backup of what I had before hand get me back to before I flashed? Or are kernels more permanent than, say flashing a ROM? Do i need to wipe anything before flashing the kernel?
If you nandroid it will save your kernel. I recommend nandroiding then wiping cache/dalvik and flashing the kernel. then if you want to go back you can just restore. For the most part flashing a kernel should not mess up anything that would require you to re-setup your whole phone. it should be pretty painless.
If you can find a separate zips for the original kernels it is very much like flashing a rom. I am not sure if it will fix your problem but i do know i haven't had that problem using netarchy's kernel (as long as you dotn mind the 3MP back camera)
my first rom was evervolv for droid incredible. i decided to go with magnolia rom.. it all worked up to getting to the lock screen after flashing it. the lock screen wouldnt read my touch.. and i switched back to evervolv. it worked after i did. then i decided to go with Warm Z TwoPointTwo... and it did it again.. i'm getting sick of the same ole same old and i need help.. anyone have suggestions to fix this mess so i can get the roms i want???
Are you saying when you flash a different ROM, the touchscreen is not working, and if so, are you running the kernel that comes with the ROM, or something other before first boot?
Are you fully wiping data/cache/dalvik prior to flashing the other ROMs?
Do you have ample space on your SD card?
make sure you clear data/cache/dalvik and all that jazz.
you can also try flashing a new kernel in recovery, that might do something...
yeah i flashed a different rom to my phone and then it messes up.. the screen doesnt read my touch.. i restored my evervolv for it and it works fine again.. but i dont know how to flash a "kernel" that would work with the rom i want.. doesnt that come with a new custom rom?? and what is dalvik? i just press factory reset or whatever..
MatalicZ said:
yeah i flashed a different rom to my phone and then it messes up.. the screen doesnt read my touch.. i restored my evervolv for it and it works fine again.. but i dont know how to flash a "kernel" that would work with the rom i want.. doesnt that come with a new custom rom?? and what is dalvik? i just press factory reset or whatever..
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Click to collapse
Dalvik is under the advanced tab in recovery. I do data, cache, dalvik before flashing a new row. I do cache, dalvik, battery(also under advanced) before flashing kernel. Dl krnel to root of sd card, flash in recovery like rom. I nvr use rom mgr for flashing anymore. Make sure u use sense kernel for sense rom, aosp kernel for aosp roms. Couple of good threads on kernels. Chads kernels work great for my phone, but its preference. Any problems just use the search function on xda, cant find answer then just ask. Good luck.
yes, i am one who likes to flash then flush
This sounds like the same issue you would get with a kernal that is not compatable with a rom. or a theme/mod ment for a different rom. I run evervolv myself and if I try anything else i need to clear/factory reset everything before i flash
i'm very grateful for your guys help. but.. i just ran into that same fix again. i flashed another kernel so i could run the rom i want and it still did it.. so i need to know the kernels that are compatible with roms.. specifically the one i want. (right now its Warm Z TwoPointTwo) but if there is a thread with this info i will try and find it. and also do i flash the kernel for the rom after i flash the rom or do i flash the rom then boot up then go to recovery and apply the kernel.. i'm sorry if i'm sounding too noobish.. i'm learning. very slowly lol
You are flashing Sense kernel with Sense ROM, yes? The kernel is flashed AFTER the ROM install.
Sent from my ADR6300 using XDA Premium App
ok well i just downloaded and flashed the chopsuey kernel and now when im rebooting, my phone only sits at the htc evo 4g screen.. someone PLEASE HELP.. i think my phone just got bricked
No problems mate,just pull your battery,replace it,when turning on hold your volume button down,when you entered the bootloader,scroll to recovery and wipe your phone then find restore/nandroid then restore your phone to your latest backup,hopefully you did back up,if not reinstall the rom again after you wipe everything,then next time set your CPU to a lower setting,then move up gradually.I hope this helped.
blah.. so new to this i didnt know i could backup through recovery.. thought it meant like my apps and what not =/ guess i have to wipe
I set my phone to high the first time and it did the same thing and of course i freaked,lol.After bricking your phone a few hundred times,you remember to do a backup regularly.
what rom are you using? Hopefully not a AOSP cause Chop Suey is a sense kernel.
well my set cpu wasnt working because i was using stock kernel.. all i did was flash the chopsuey rom and then i just hit reboot and i was stuck at the htc evo 4g white screen.. what did i do wrong?
i am using team nocturnals sense 3.0 themed rom. more specifically, shooterRLS_3.1
ReapersDeath said:
well my set cpu wasnt working because i was using stock kernel.. all i did was flash the chopsuey rom and then i just hit reboot and i was stuck at the htc evo 4g white screen.. what did i do wrong?
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Click to collapse
Ok i'm not sure that roms compatible with chopsuey,try freedom kernel... Freedom Kernel
I am rooted. and i meant chopsuey is a kernel.. but the rom im using is shooterRLS_3.1.. im guessing i just flash the rom, and then the kernal and im done?
i just retryed and now its actually starting up so blah.. is it actually not compatable or not?
If its running ok,use it.
oh ok.. i dont want to screw up my phone.. so blah.. thanks for the help.. almost had a heart attack
Did you wipe cache and Dalvik before you flashed the ROM? If that ever happens again, wipe those then try to boot again. If it still doesn't boot, wipe everything and reflash your ROM, err, start over, but since it was just a Kernel, that would probably wiork
Whenever you flash a new rom, wipe everything (data, cache, dalvik, system, boot, .android_secure, sd-ext). Whenever you flash anything that isn't a rom - kernels, themes, mods, boot animations, etc - or flash an update to your existing rom then wipe cache and dalvik only.
Always make a nandroid backup when you flash a new rom. I don't nandroid for everything I flash, but if you're flashing a new kernel and it has been a while since you did a backup then go ahead and do another one. You can always delete nandroid backups to save space, but keep at least one on your SD card. Also nandroid before modifying system files, like removing system apps.
Always read about what you're doing before you do it.
I know you solved your problem, just pointing some stuff out that you may have missed along the way. Good luck & happy flashing!
Supersonic Evo 4G | MIUI | Tapatalk
plainjane said:
Whenever you flash a new rom, wipe everything (data, cache, dalvik, system, boot, .android_secure, sd-ext). Whenever you flash anything that isn't a rom - kernels, themes, mods, boot animations, etc - or flash an update to your existing rom then wipe cache and dalvik only.
Always make a nandroid backup when you flash a new rom. I don't nandroid for everything I flash, but if you're flashing a new kernel and it has been a while since you did a backup then go ahead and do another one. You can always delete nandroid backups to save space, but keep at least one on your SD card. Also nandroid before modifying system files, like removing system apps.
Always read about what you're doing before you do it.
I know you solved your problem, just pointing some stuff out that you may have missed along the way. Good luck & happy flashing!
Supersonic Evo 4G | MIUI | Tapatalk
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Click to collapse
True that. I keep 5 Nandroids on my phone at all times: Original Stock/Rooted. Stock/Rooted with updated apps +TB & GPS Status, Last good setup, Current ROM before I added all my apps, etc. and Current ROM after a fresh flash.
HipKat said:
True that. I keep 5 Nandroids on my phone at all times: Original Stock/Rooted. Stock/Rooted with updated apps +TB & GPS Status, Last good setup, Current ROM before I added all my apps, etc. and Current ROM after a fresh flash.
Click to expand...
Click to collapse
Jeeze, I feel like I take so many shortcuts...I only keep a backup of my CM7 latest, and currently ICS, incase I had to switch for whatever reason.
I keep all my apps up to date in tb so that alleviates that issue.
Well, it's not about apps. I like to have the barebones, stock/rooted all the time. The updated stock is for when I need to run the Sense Fix for GPS, or just updating profile/PRL.
The last Good Setup is obvious, as is the current good setup.
The bare bones Nandroid for my current ROM is in-case I screw up, I can go back to that and start over
HipKat said:
Well, it's not about apps. I like to have the barebones, stock/rooted all the time. The updated stock is for when I need to run the Sense Fix for GPS, or just updating profile/PRL.
The last Good Setup is obvious, as is the current good setup.
The bare bones Nandroid for my current ROM is in-case I screw up, I can go back to that and start over
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Click to collapse
Well that makes sense. If I mess up, I just go back to the last backup. xp Though neither practice is bad.
Yes i just rooted my epic 4g touch yesterday. Looking for where I should go from here. I did only root it so Im going to go home and do the option "c" on the automated script tool so i can flash it with EK02+CWM so I have the CWM to flash roms. My questions are: I am currently on android 2.3.6 on EK02 Kernel. Should I stay on that kernel or should I do something different? Something newer or better? Also Once I have the kernel with CWM installed, can someone give me proper EASY instructions how to flash a rom? or theme? Also is there any recommended combination of a kernel/ROM/Modem i should install? I don't want something that has several bugs. The least, the better! ;-) Please any information would help. I'm a Newbie lol
Any Rom you flash will have a kernel built in. For the sake of you being new to this, I would just use the kernel the Rom comes with right now and worry about playing with kernels later.
The Modem will not flash with the ROM and needs to be flashed separately. Again, you might want to just stay with what you have right now. Any combination of the ROM, Kernel, and Modem will work. There is no science to what combo works best and is all a matter of personal opinion and experiences.
Once you install CWM, you can flash a ROM. Just download the ROM and add put it on your internal SD Card that phone has. Then boot into CWM. An easy way to do this is to download quick boot from the market and you can boot into CWM.
When in there wipe all system data (will remove all you apps from your phone.), cache, and dalvik cache (in advnaced).
Then go to install file from sd card. Choose internal, then go to the zip file that is the ROM. Click on it and install. After it is done, reboot the phone from CWM and you will now have a custom ROM.
Most of the ROMs you would want to install are on the 1st page of the Dev section. I currently running UnNamed ROM as it is extremely stable and has been giving me good battery life. I am on EL29 Modem and running the kernel the ROM came with.
There are other ROMS that offer more theming if you would like but sometime do not offer the same stability as some other ROMS.
For themes, make sure they are compatible with whatever ROM you are running. To flash a theme, you would do it the same way as a ROM except no need to clear system data. Just wipe Cache and Dalvik so you do not lose your info and then flash the zip. Also, if the ROM you are using is updated you usually do not need to clear system data either but if you jump to a totally different ROM you will need to clear everything.
A good app to get is Titanium Backup. I totally recommend purchasing the Pro version but you can get away with the free one. You can backup the apps you have on your phone and then reload them on the new Rom. Make sure to only put back the apps you downloaded and not apps from the system. You can a batch save and restore instead of doing each one individually. Click the settings menu, then batch.
Hope this helps you get started. Sorry, if any of this is confusing as sometimes I just ramble on as I type...Any more questions just ask away...We have a good group of people here.
If you like the color blue you should install Strongsteve's odexed ROM. If you don't like the color blue you should still install his ROM. Not only is it a beautiful to look at set up, it's also very stable and fast. Constant improvements are always being made as well. And you will soon be a fan of all things blue
There are other ROMS on the developers page. Some are tweaked for long battery life, some are themed but all are worthy of a look. It just comes down to personal preference.
As for the modem you will need to flash that separately. Try a few different ones and see which gives you the best performance.
Ok cool. Thanks guys. So if i want to stay on this modem I am on now. I could basically just flash the rom I want and this modem will stay on my phone right? I don't need to re flash it?
Yes.....you are correct. Now that you're rooted let the fun begin!
powerstroke said:
Ok cool. Thanks guys. So if i want to stay on this modem I am on now. I could basically just flash the rom I want and this modem will stay on my phone right? I don't need to re flash it?
Click to expand...
Click to collapse
correct.
I don't think any ROMS flash with modems except for the EK02 sprint official Over-The-Air update.
Awesome. One last thing lol, sorry for all the questions. I am currently on EK02. I am going to flash Strongsteve's odexed ROM. After I flash that rom, will I need to then flash again the EK02 Modem or is flashing the ROM all I need to do?
My advice stay on EK02 at least for couple days so you can compare with other setup. EK02 and EL13 have good results for me, everything else gives me bad battery life.
Sent from my SPH-D710 using XDA Premium App
lol i would like to stay on it and that's fine. I'm just wondering if after i flash this rom, my modem will stay on there? Or do i need to re flash the EK02 modem?
Your modem will stay
Sent from my SPH-D710 using xda premium
alright, so im gonna flash the Manhatten rom and im not too sure what my complete steps are, i've asked around but im still kind of confused.
im coming from stock everything.
do i wipe data, cache, and dalvik first?
and then flash rom, and gapps and then reboot?
also, do i need to flash any radio/bootloaders? (i was told i would need to? this is the most confusing part for me)
right now i have a gsm version
4.0.1
Baseband Version: I9250UGKL1
Kernel Version: 3.0.1-ga052f63
[email protected] #1
Build Number: ITL41F.I9250UGKL1
if anyone could tell me a step-by-step way of doing it, that would be great.
Thank you so much, this is an awesome community coming from Blackberry, and im very happy with my galaxy nexus
i stole this from the aokp op, but its pretty much the same thing unless it tells u different on your roms op
1. Make sure you're on the latest CWM
2. MAKE A NANDROID
3. wipe data/factory reset in recovery -- a must if coming from a stock-based ROM
4. flash ROM
5. flash Gapps
6. reboot
7. sign into Google
8. (recommended) reboot immediately after
btw some roms might come with gapps already with it so u can skip that step...but like i said read the op of the rom ur flashing
how about the radio/bootloader aspect of it?
will i need to flash any of those at all?
Have you unlocked the bootloader yet?
yeah bootloader is unlocked, and is rooted.
also, when i make the nandroid backup using CWM, when i wipe data, will it wipe the backup? or should i copy the backup to my desktop
acatabian said:
also, when i make the nandroid backup using CWM, when i wipe data, will it wipe the backup? or should i copy the backup to my desktop
Click to expand...
Click to collapse
Your backup will be safe. Think of the memory on your phone like it's a memory card.. All your pics will be untouched as well
sweet, thanks so much for your help.
just one more question before i take the plunge tonight.
no need to change the radio or anything like that after i flash the rom?
You don't have to, by reading other peoples comments it seems like people have mixed reviews. I personally didn't flash a radio.
Btw you might want to flash a kernel. And you do that after you flash a rom
okay i dont think i will either,
i think manhatten comes with a kernel already "imoseyon" my plan is to flash trinity later on once the bugs gets fixed.
so from what you've told me,
i'll follow steps above, and if all else fails recover from my nandroid backup
thanks so much for your help wayne
ps: one more thing i should ask, if i do end up having to recover, will it recover that stock rom no problem?
Yeah it won't be a problem. Plus you always have xda to help u out.