[Q] Updating to a Jelly Bean Custom Rom - Galaxy S III Q&A, Help & Troubleshooting

Hi there!
I am wanting to update my Samsung Galaxy GT-i9300 but am worried about the process because of having installed a custom kernel previously (would this muck up installing a new custom rom I wonder..)
Please find attached a screenshot of the settings and please tell me what I should do (if anything needs done) before I flash a new custom rom.
Cheers!

if you're worried about kernels, then just flash stock kernel then flash a custom rom on it.

mputtr said:
if you're worried about kernels, then just flash stock kernel then flash a custom rom on it.
Click to expand...
Click to collapse
kk, could you provide me with a suitable stock kernel (or links to one) which will be compatible with the rom I have installed?

any stock kernel that is for jb will be fine.
Sent from my GT-I9300 using xda app-developers app

mputtr said:
any stock kernel that is for jb will be fine.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
I am on android version 4.0.4 (so technically not JellyBean). and its safe to flash a stock kernel for JB despite being on that version before I flash a custom rom?
Sorry for asking, get confused easily..

you should be fine updating with a custom kernel (as all roms flash a kernel as well). Just make sure you factory reset when moving from ics to JB as you will most likely encounter problems if you don't.
Sent from my GT-I9300 using Tapatalk 2

Asimo2012 said:
I am on android version 4.0.4 (so technically not JellyBean). and its safe to flash a stock kernel for JB despite being on that version before I flash a custom rom?
Sorry for asking, get confused easily..
Click to expand...
Click to collapse
I would suggest flashing ICS stock kernel first if you're worried. I thought you were already on jb.
Sent from my GT-I9300 using xda app-developers app

Easy
Reflash the stock ics ROM
And flash any custom ROM you want
Enjoy
Sent from my GT-I9300 using xda premium

Related

[Q] quick rom question

Im currently stock/rooted on official ics and id like to know which roms are compatible with official ics, are all of them?
Sent from my SAMSUNG-SGH-I717 using xda premium
That doesn't make sense...a Rom would replace the stock Rom, so compatibility isn't an issue....if you mean can you flash a new Rom from that one, then yes.
studacris said:
That doesn't make sense...a Rom would replace the stock Rom, so compatibility isn't an issue....if you mean can you flash a new Rom from that one, then yes.
Click to expand...
Click to collapse
Guess it was a dumb question. I just thought that since we had a leaked version of ics and an official version that there might be issues flashing say a rom from 2 months ago while running official ics. So there is no difference between the leak and official so i can flash whatever rom i want.
Sent from my SAMSUNG-SGH-I717 using xda premium
Flash up or down. It does not matter.

How to go back to Stock ICS 4.0.4 from CM10 @ JB?

Hai, my SGS2 now on x-treme jb aokp 1.1 but i want to go back stock ics 4.0.4. Is there any suggestion for me or i just use odin & flash stock firmware?
I'm not very clear in this matter.
Please help me out.
Sent from my GT-I9100 using xda app-developers app
You just need to flash stock rom through odin.
Sent from my GT-I9100 using xda premium
You'll just flash an ICS firmware
It doesn't really matter what customROM / firmware you came from, you can just directly flash it. go to download mode and flash an awesome fw hope this helps
Sent from my GT-I9100 using xda premium
I'm back to ginger..
Rooted
Stock XXKL1
Thanks for helping me out.
Moderator can closed this thread.
Sent from my GT-I9100 using xda app-developers app
Rather than making a new thread, I hope you don't mind me asking a question in relation to your initial question.
Is it okay that I install an ICS 4.0.3 as opposed to installing a 4.0.4 one? I wish to avoid the eMMC bug that I dismissed by installing a different kernel, I would rather avoid 4.0.4 until there's an official fix. If so,
Download 4.0.3 stock ROM
Flash using Odin
Back to stock ROM, kernel and in root?
BlurrOVO said:
Rather than making a new thread, I hope you don't mind me asking a question in relation to your initial question.
Is it okay that I install an ICS 4.0.3 as opposed to installing a 4.0.4 one? I wish to avoid the eMMC bug that I dismissed by installing a different kernel, I would rather avoid 4.0.4 until there's an official fix. If so,
Download 4.0.3 stock ROM
Flash using Odin
Back to stock ROM, kernel and in root?
Click to expand...
Click to collapse
Yes, it's ok
Swyped from my Galaxy SII
mohdizwan said:
I'm back to ginger..
Rooted
Stock XXKL1
Thanks for helping me out.
Moderator can closed this thread.
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
No problem
Sent from my GT-I9100 using xda premium

Root/Flash Question

I installed the official JB update on my I9300 using Odin. My question is can I root and flash a custom rom over it???
Yeah you can dude, just root as normal like with ICS
Sent from my GT-I9300 using xda premium
vm2034 said:
I installed the official JB update on my I9300 using Odin. My question is can I root and flash a custom rom over it???
Click to expand...
Click to collapse
The best way is to root, total wipe, then flash custom ROM and not flash over the stock ROM!

Getting error 7 while flashing CM 10.1

Hey guys,
I'm running rooted leaked XXLSJ JB firmware.
I recently try to flash cm 10.1 via cwm but whenever I flash.. I always get something like error 7..
What should I do, to flash properly?
Sent from my GT-I9100 using xda premium
ssbnasa said:
Hey guys,
I'm running rooted leaked XXLSJ JB firmware.
I recently try to flash cm 10.1 via cwm but whenever I flash.. I always get something like error 7..
What should I do, to flash properly?
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Error status code 7 when flashing ROMs usually means the install script failed an assert when trying to determine if you have the correct model of phone that the ROM is intended for.
Where did you download the copy of CM10.1 from? Are you sure that it is for your model of phone? According to your signature, you have an I9100. Are you sure you didn't download CM10.1 for I9100G, for example?
ctomgee said:
Error status code 7 when flashing ROMs usually means the install script failed an assert when trying to determine if you have the correct model of phone that the ROM is intended for.
Where did you download the copy of CM10.1 from? Are you sure that it is for your model of phone? According to your signature, you have an I9100. Are you sure you didn't download CM10.1 for I9100G, for example?
Click to expand...
Click to collapse
Yeah, I think i chose the correct copy and that was too from cm 10.1 thread.
Anyways, if I was wrong. Can u provide me with proper links for cm10.1 for my device? It'll be very helpful of u
Currently I'm running rooted xxlsj jb fm
Sent from my GT-I9100 using xda premium
ssbnasa said:
Yeah, I think i chose the correct copy and that was too from cm 10.1 thread.
Anyways, if I was wrong. Can u provide me with proper links for cm10.1 for my device? It'll be very helpful of u
Currently I'm running rooted xxlsj jb fm
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
https://www.google.com/search?q=cm10.1+xda+i9100
ssbnasa said:
Hey guys,
I'm running rooted leaked XXLSJ JB firmware.
I recently try to flash cm 10.1 via cwm but whenever I flash.. I always get something like error 7..
What should I do, to flash properly?
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
This is because your likley using Philz kernel for leaked JB.
To flash other custom roms you will need to change kernel back to a previous ICS or JB kernel like Siyah.
Flash the kernel (.tar version) via ODIN/Mobile ODIN.
TheATHEiST said:
This is because your likley using Philz kernel for leaked JB.
To flash other custom roms you will need to change kernel back to a previous ICS or JB kernel like Siyah.
Flash the kernel (.tar version) via ODIN/Mobile ODIN.
Click to expand...
Click to collapse
Thx, I didn't know this about Philz... Mainly because I'm avoiding JB until Samsung releases an official version.
TheATHEiST said:
This is because your likley using Philz kernel for leaked JB.
To flash other custom roms you will need to change kernel back to a previous ICS or JB kernel like Siyah.
Flash the kernel (.tar version) via ODIN/Mobile ODIN.
Click to expand...
Click to collapse
But I'm not using philz kernel, I never flashed it..
I just flashed this leaked firmware few days back.. That's it!!
Anyways, but most of them say to not use siyah kernel with cm 10.1... Rather use dorminax kernel with it, what you say about it?
Sent from my GT-I9100 using xda premium
Hey
Flash dorimanax but don't boot and then flash cm10.1
Regards,
Paulius
Spoiler
XDA the best

Compatible ROMs

Just about to flash a ROM on my S3 (first time), and I'm just asking are different version ROMs compatible with the stock version ROM? e.g: I have a s3 running Jellybean 4.1.1 (stock) but can I flash a different ROM that's made for ICS?
Thanks
Mountain_Lion said:
Just about to flash a ROM on my S3 (first time), and I'm just asking are different version ROMs compatible with the stock version ROM? e.g: I have a s3 running Jellybean 4.1.1 (stock) but can I flash a different ROM that's made for ICS?
Thanks
Click to expand...
Click to collapse
Just make sure, that your s3 version is made for the rom. If so you should be able to flash all roms. Why would you want to go back to ics?
Sent from my GT-I9300 using xda app-developers app
chrismast said:
Just make sure, that your s3 version is made for the rom. If so you should be able to flash all roms. Why would you want to go back to ics?
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
When you mean s3 version do you mean like GT-i9300 etc.? And so if it was made for that (GT-i9300), I would be able to flash any ROM?
yes

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