I can't upgrade w/ custom kernel. - Galaxy S III Q&A, Help & Troubleshooting

Hi,
I have an i9300, stock ROM version 4.1.2 and baseband i9300xxema5 w/ custom kernal 3.0.31-Siyah-1.9.1+.
When I try to upgrade, it says my system has been modified.
What steps should I take in upgrading? Bear in mind that I want to keep all my files intact.
Should I begin by finding the stock kernal? Would that work? or should I find a stock 4.4 rom and flash it? But then, I'd lose my files. I don't want that. .-.

You have to install stock ROM via Odin.

Related

[Q] ROM

Hi,
Can anybody tell me if i root my s2 (currently on KF3 firmware) with cf method and flash stock kernel,will i be able to install new ROMS like litening etc,how ?, and will i be able to come back to my stock firmware and kernel,and how ?
thanks in advance !
You can flash any Custom firmware anytime, without root. And you can go back to Stock firmware and kernel anytime.
Regards.
so if i root(by a method you earlier told me),can i also use any rom on that ?if yes then how and also can you please tell me how to come back to stock rom(before flashing with custom rom) state ?
You just need to add the .tar file of the Custom firmware in PDA section of Odin and flash, same for Stock ROM.
Regards.
you can root your phone as ihappy said but use the threads on the forums to find the stock kernels and roms that suit you. and i mean by what region you at. most of the custom roms come with root anyway so i would not worry about rooting. the thing is though whenever you do flash always make backup. first time i flashed i did not do backup and i was panicking on how to go back to stock.but thankfully the guys in this community are the best around and helped me out. hope my post helped in anyway

[Q] JailBreaking Samsung Galaxy S

I have a Galaxy S Samsung with firmware version 2.2 and baseband I897UCKB2. I cant seem to find the CF-ROOT .tat file i need for my baseband version anyhelp would be greatly appreciated. Also Kernel version is 2.6.32.9
JasonKutche said:
I have a Galaxy S Samsung with firmware version 2.2 and baseband I897UCKB2. I cant seem to find the CF-ROOT .tat file i need for my baseband version anyhelp would be greatly appreciated. Also Kernel version is 2.6.32.9
Click to expand...
Click to collapse
If you ask your question here you're more likely to get it solved.
And if you're just looking for changing your firmware to 2.3.x or CM7 or MIUI you can have a look here and flash one of the firmwares go give your device a boost in performance + durability.
Ill help you out.
Super one Click will root your device.
If you want to then flash custom ROMS then you need to "fix" 3e recovery.
And then use a clockworkmod update.zip (from Rom Manager)
However if you want to go strait to a custom rom, you don't even need to root.
Just flash an odin kernel that has clockworkmod recovery (Speedmod). Then go to recovery and flash your favorite ROM (already rooted, tweaks, features, etc).
Note: always make a backup of your stuff.
If anything goes wrong you can Odin/Heimdall back to stock
Then restore your stuff.

[Q] Help - installing UltraToxic 8.0.1 with Siyah 2.4.2

Hello experts
may current status are
Kernal - 2.6.35.7 JPKJ2
Baseband - XXKI4
Android - 2.3.5
I'm thinking of installing UltraToxic 8.0.1 with Siyah 2.4.2.
Here are my questions
1. Should I flash the rom first or the kernal?
2. I understand by installing a custom rom i won't be able to use Kies anymore. Any alternatives to backup my phonebook and sms to PC?
This is going to be my first time with a custom rom. Please help.
flash rom first, then kernal.
If you flash kernal first it will be overwritten by the kernal in the rom.
you still can use kies to beck up your phone and messages, kies not will find online updates for your phone with custom roms or stock roms that have been modified.
Thanks for the advice Cosmic. But I cant directly install version 8.0.1 can I? First I need to flash with 8.0 and then update using cwm right?
correct, always follow the developers instructions.

Back to GB from ICS [questions] i9100 VAU version

Hey guys.
I have litening rom v2.1 ICS on my GS2. I have been having several issues with it. Such as super battery drain when connecting to 3g. I have tried ununstalling some apps but the drain seems randomised. I have installed better battery stats but it doesn't really find anything of interest. I am getting the old ANDROID OS drain. Although i do really like ICS, If i want to go back to the old GB nandroid backup what steps need to be taken.
1. From what i have read is flash a stock rom first. Does this rom need to be a 3 file rom or can i use the vodafone stock rom which is all of the 3 combined into one file "GT-I9100T_VAU_I9100TDUKF4_I9100TDUKF4_I9100TVAUKF4" is the stock rom i have on file. If i need a 3 file can someone link me up a stock 3 file gb rom? Do i need to flash a GB bootloader first? Do i need to add a PIT file when flashing the stock rom?
2. Do i wipe the phone after installation or before. I heard it's back to wipe the phone before going ICS -> GB
3. After flashing stock i assume i need to cf-root the phone again then i can restore a nandroid backup is this correct?
Alternatively is anyone on a ICS rom that is stable? Which rom is it? Hows the process from litening to a different rom? Just a wipe then flash? Thanks guys.

[Q] Updated to 4.4.2 I9205XXUDNE4 from 4.2.2 I9205XXUCNA3 and want to roll back

Hi!
As stated above, I tried updating to the Kit Kat Release for Portugal's I9205 from an asian I9205. Testing out the device, mobile data won't activate and gives me a "Please Insert SIM" error. Because of this, I wanted to roll back to 4.2.2 but seem to be encountering an error in ODIN, primarily one that says "Check Fail Fused 2 > Binary 1".
My question is, how would I be able to revert to 4.2.2? Any help would be appreciated.
Thanks!
Unfortunately, upgrading to KK is one way road... after installing KK there is not possible to downgrade because of new bootloader and efuse in kernel. If you want to go back to good old 4.2.2 let flash MegaFireV10 ROM from @ megalomanic14 which is greatly improved stock 4.2.2 and is already rooted. I could be flashed onto KK without consequences. Simple flashing back stock 4.2.2 could make your phone brick.
Oh, so there's no way for me to roll back? That sucks!
If I flash a new custom ROM, like LiquidSmooth, would my ability to use my mobile data be restored? What's affecting it at any rate? The Modem? Is there anything I could flash that could help?
Would restoring it via KIES work?
trurl3 said:
Unfortunately, upgrading to KK is one way road... after installing KK there is not possible to downgrade because of new bootloader and efuse in kernel. If you want to go back to good old 4.2.2 let flash MegaFireV10 ROM from @ megalomanic14 which is greatly improved stock 4.2.2 and is already rooted. I could be flashed onto KK without consequences. Simple flashing back stock 4.2.2 could make your phone brick.
Click to expand...
Click to collapse
trul3 is giving good advice!!! flash the Megafire v10 rom..it looks and feels like the stock 4.2.2 rom with a few extra apps on it..
You'll be pleased and just May get your mobile data restored!
good luck
I did a Nandroid backup and restored that after trying NE4. The only change is the baseband is now NE4 but I am back on MH2. Is this not normal?

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