Installing Custom Rom - Galaxy S III I9305 (4G LTE + 2GB RAM) Q&A, Help &

Hi there, i am on stock rom 4.3 and i am considering to flash a custom rom. It is going to be my First flash of a custom rom and i am wondering if something is not working as it should, will i be able to return to stock with no problems? If i install a custom Kernel as well will kies install stock firm as usual (to return to stock)? Or the only method is a full backup and restore? Restoring method restores kernel too? Thank you for your help.

U must rooting your device, next install custom recovery and backup your rom, thats all, and next try the first install omni rom

I am already rooted. Omni is one of my thoughts. Should i flash a custom kernel after omni or it is not mandatory?

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[Q] Rooting privileges lost

Hi, i recently updated to a new custom rom.(from rocket rom gb v23 to rocket rom ics v1)
Unfortunately it looks like installing the new custom rom made me lose my root privileges on the phone.
Is there a quick way to root the phone again?
Do i need to follow the guides to root the stock rom and apply them to the custom rom or is it different?
Thanks
If I were you I would be careful since RR ICS has a Samsung kernel that might have the brick bug..
You're better of using PC Odin and flash one of the prerooted GB ROMs, get CF-Root for it and then flash RR ICS from there again if you would like
The thing is that i was on a cf-rooted gb custom rom before flashing rr ics v1, but on rr thread, in order to install the ics rom from the gb one, they say to first flash abyss kernel 4.2 - full wipe - and the install the ics rom.
I think that's the passage where i lost root, but i may be wrong.
Would restoring a clockworkmod backup with gb custom rom(rr v23) be ok?
One more question, what's the difference between flashing with odin(never used) and flashing from recovery?
Thanks for your reply
Flashing through AbyssKernel should not cause you to loose root, it just sometimes happens :/
I think it would be safer to follow the PC Odin route and flash a prerooted GB ROM, get CWM recovery and then do your flashing/restoring from there
PC Odin communicates directly to the bootloader when flashing, hence it's safer, while CWM uses the current kernel you have so if you're on an affected kernel you're at risk

Backing up stock ROM before flashing a new ROM

Backing up stock ROM before flashing a new ROM... is this possible? If yes, how should I go about it?
Yes... Possible..
Install CWM-reboot in cwm-choose backup.
It will take backup of current rom(stock if u r using)
This is not a guaranteed procedure to backup the stock ROM for *all* situations. Once you install a new ROM, the stock kernel may also get overwritten.
If you were to go back and restore the Nandroid backup of your stock ROM, it may not work because the kernel may not be the same as before.
So my question still remains open.... How to backup (or extract) the stock ROM from your phone (as a precaution) before you install a new ROM?

Can I restore ICS nandroid over JB rom?

Hi
I want to return my Note to stock. When I first bought it I rooted it and made a nandroid of the stock ICS rom that was on it.
Since then I have installed Alliance Rom on Jellybean. Can I just restore the stock ICS nandroid straight over the JB rom or will this brick my phone? I've read that there's something about ICS stock kernels that can cause bricks so I'm a bit nervous about how to go about it.
I have already downloaded the two files from the unroot thread to remove superuser and binaries, do I just flash these after restoring the ICS nandroid? Also, how do I get back the stock recovery?
Sorry for such basic questions but I'm new to the Note and it's a bit different to flashing things on the One X which I came from.
Thanks x
yes.. you can restore the stock rom nandroid.. but i am not sure as Alliance JB LSZ use TWRP recovery and the backup you made may be using CWM.. so its better to install a CWM kernel on the rom... Like philz and then restore the rom,, for stock recovery you will need to install stock kernel..
but why go into so much trouble ... just install a stock ICS rom using pc odin.. (no wipes after installing stock ICS rom).. make all the wipes while on a safe kernel
nokiamodeln91 said:
yes.. you can restore the stock rom nandroid.. but i am not sure as Alliance JB LSZ use TWRP recovery and the backup you made may be using CWM.. so its better to install a CWM kernel on the rom... Like philz and then restore the rom,, for stock recovery you will need to install stock kernel..
but why go into so much trouble ... just install a stock ICS rom using pc odin.. (no wipes after installing stock ICS rom).. make all the wipes while on a safe kernel
Click to expand...
Click to collapse
Thank you very much for explaining, that's a big help
The Odin way does sound a bit easier, I'll look into it. Thanks for explaining about the ICS wiping problem.
Much appreciated

Lolipop downgrade to custom kitkat

Hi guys i have a simple question. I really would like to flash this rom http://forum.xda-developers.com/xperia-z/development/rom-existenz-ultimate-1-0-0-light-dark-t2779949. It is looking very well. Right now i have lolipop on my xperia. Can I flash this rom straight away from my lolipop or should i downgrade it first to stock kitkat rom? http://forum.xda-developers.com/xperia-z/general/stock-rom-xperia-z-c6603-10-5-1-0-283-t2912254 (stock rom i'm talkin about).
Sorry for such a stupid question I just want to make sure cause i'm doing it for the very first time. I have rooted device without a recovery yet so should i begin with recovery and proceed to flash custom rom or to flash stock rom first. Thank you in advance for answer.
if your bootloader is locked.. yes, you can
note that you need to install recovery, wipe all (cache, dalvik cache, system, data) before flashing..
that means clean flash
but it's always nice to revert to stock before flashing custom or stock-based custom rom to make sure everything is in good shape

Procedure to get back to stock rom

I recently started flashing custom roms. The most common trouble that comes is how to get back to stock rom. Anyone please give a detailed procedure how to get back to stock rom from flashing stock recovery to flashing stock rom...
Thank you
arindam28 said:
I recently started flashing custom roms. The most common trouble that comes is how to get back to stock rom. Anyone please give a detailed procedure how to get back to stock rom from flashing stock recovery to flashing stock rom...
Thank you
Click to expand...
Click to collapse
1.Download the stock rom from letv forum
2.If you r on Codeworkx TWRP, install Chinese TWRP by ycjeson
3.Then install the stock zip file (19s). First time you may get error, flash again the same file.
4.It asks whether to install stock rom, give yes.
5.Now your phone will be with stock rom and recovery. with bootloader locked.
If this helped ..hit thanks
Stock Recovery given by rishab rao :
https://drive.google.com/file/d/0B8T-FsY2G8InSW9lNzZiNGlOem8/view?usp=sharing
Stock Rom :
https://devs-lab.com/download-letv-official-stock-rom.html#Le_2_Qualcomm_Stock_ROM
rename the downloaded stock rom to update.zip and then place it in the root directory of internal storage
flash stock recovery and click the update option
you'll get an error but try again
That's it!
Better take a twrp back up soon after you flash the stock rom just in case.

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