updating samsung galaxy s3 gt-I9300 to JL 4.2.2 - Galaxy S III Q&A, Help & Troubleshooting

Hello guys can you help me update my phone(gt-I9300) to jl 4.2.2 that is safe to "hardbrick" please.
I want to flash it using odin. I think it is much safer . Can you help me guys please. I just want to update my phone.

There is no 4.2 stock firmware, only 4.1 or 4.3.
Go read the sticky thread on how to flash with Odin, download the latest firmware for your country at sammobile.com

Related

[Q] How do i get my S2 from what ever firmware to stock.

I have got a I9100 S2 which i brought from a friend. When ever i try to update it in kies it says its not supported for upgrading? I know he's put some random firmware on it but i don't know what kind.
Any help would be appreciated.
Cheers Owen
Check www.sammobile.com they will have your stock firmware and guides how to upload using odin.

[Q] Downgrade

Hi, I just recently upgraded my gt-i9300 to 4.1.1.
I want to go back to 4.0.4. I want to use a stock rom via Odin v1.85. I already have Odin, but I can't find a stock ICS. Can anyone please help.
sammobile.com
jje

Req. stock 4.3 rom for the s3 netherlands

Because i can not find it.
the phone is rooted so i get no ota updates.
who has or where can i find the stock 4.3 for the s3 that i can flash with odin.
Covered in the sticky threads, general forum, Sammobile.com

Request For Stock ROM

Hi everyone. I am using Samsung S2 and i want to root it but before it, i want a Jelly Bean Stock ROM for my Samsung S2 in case i want to restore it back again on the same ROM as seen in screenshots. Region for my ROM is COA (Romania - Cosmoto). I dont know about these kind of things much so please guide me. A link for my S2 Stock ROM would be appreciated. I have seen www.sammobile.com but my ROM's PDA, CSC, Baseband files not match with the ROM uploaded there. Please find one for me so i can root it. I would be thankful. Waiting for an early response.
Anybody? Please.

Can't update Galaxy S2 I9100 to 4.1.2 through OTA, please help!

Hi, I was given a Galaxy S2 I9100 with baseband version I9100BOKJ1 T-mobile that has android 2.3.5 installed.
So, I wanted to update it to 4.1.2 through OTA but it says that there are no updates available, what are my options?
Can I just install an official 4.1.2 stock rom through odin? If so, what 4.1.2 stock ROM is compatible with this phone? Thanks!
Yes, you can flash a 4.1.2 stock ROM via Odin. There are plenty of stock ROMs on the internet for our device, most of them are on sammobile.com, but you need to sign in to use it. A simple Google search will show its results. Try to find a ROM matching to your region/carrier.
Think about making a backup of your baseband. There are guides on the internet. If you get big problems with GPS or signal strength with the new ROM, you can flash it back. Some people report the stock baseband solves GPS and signal issues, nevertheless it didn't change anything for me when I tried around switching basebands.
Hope this helps.
SenseiAboobz said:
Hi, I was given a Galaxy S2 I9100 with baseband version I9100BOKJ1 T-mobile that has android 2.3.5 installed.
So, I wanted to update it to 4.1.2 through OTA but it says that there are no updates available, what are my options?
Can I just install an official 4.1.2 stock rom through odin? If so, what 4.1.2 stock ROM is compatible with this phone? Thanks!
Click to expand...
Click to collapse
Why don't you follow my tutorial to get Android 7.1, faster than hell with a huge data partition for all your apps ?
https://forum.xda-developers.com/galaxy-s2/help/guide-tutorial-samsung-galaxy-s2-i9100-t3538601
SenseiAboobz said:
Hi, I was given a Galaxy S2 I9100 with baseband version I9100BOKJ1 T-mobile that has android 2.3.5 installed.
So, I wanted to update it to 4.1.2 through OTA but it says that there are no updates available, what are my options?
Can I just install an official 4.1.2 stock rom through odin? If so, what 4.1.2 stock ROM is compatible with this phone? Thanks!
Click to expand...
Click to collapse
Some regions didn't get JB update at all. You can flash your phone using odin.
Go to below link find a none carrier firmware download and flash.
http://samsung-updates.com/device/?id=GT-I9100
My current rom is xwlsw.
And don't try AOSP stock is always the best.

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