Recovering an ATT Galaxy S2 after flashing GT-I9100 Firmware

[Orbital_sFear]

I've spent the last 2 days trying to fix my mistake. I have the GS2 ATT version, and I didn't realise there was a difference between that and the GTI9100 S2.

I wanted to give some tips I learned on how to recover your phone if you make this mistake.

First, here are some posts you'll want to look at:
http://forum.xda-developers.com/showthread.php?t=1286432 - Stock firwmware
http://forum.xda-developers.com/showthread.php?t=1285823 - Clockworkmod for the ATT
http://forum.xda-developers.com/showthread.php?t=1286192 - Cyanogenmod for our phones.

Using Odin and the stock firmware, you can recover your phone to a 95% working state. Once I got my stock firmware on there, I found that while making calls my phone made no sound, and the mic didn't work. The mic did work when I wasn't making calls though.

I reflashed the modem.bin file found on the stock firmware, not sure if its required but that is what I did first. Then, I unpacked the rooted stock firmware, and flashed JUST THE zImage file. After doing this, I rebooted, and my calls were working again.

After that, I installed the correct version of Clockworkmod, and then CM7 nightly. Now everything seems to be running great on my phone.

Hope this helps someone out there,
-Orbital

 

[Haas360]

Good job thanx man.

Sent from my SAMSUNG-SGH-I777 using XDA App

 

[thirdshiftdj]

Been awhile since I messed w/ android. I forgot about the different models myself until I realized I was spending half my day in the wrong section

 

[Alucardis666]

Could you please explain the flashing of the CM Nightlies process to me? I can flash the signed base build but can't flash any of the added on nightlies...

 

[Alucardis666]

Could you please explain the flashing of the CM Nightlies process to me? I can flash the signed base build but can't flash any of the added on nightlies...

In other words I can't flash the nightly builds like the latest 77 or any others for that matter.

 

[id10terrordfw]

In other words I can't flash the nightly builds like the latest 77 or any others for that matter.

Those are NOT for our version of the GS2, International only. Our version is here in the development forum.

Sent from my SGH-I777 using xda premium

 

[thirdshiftdj]

Yes, it will return a status error 7 which means it's unmatched. Ask me how I know. I flashed international roms last night and used this fix to get me good again.

 

[connexion2005]

I flashed a KE7 I9100 build to my I777 and saw no ill effects other than incorrect capacitive button mapping. Which build did you flash? Did you make sure to wipe data factory reset afterwards.

 

[daraj]

So you are saying that you wre able to flash Euro ROMS and your phone booted just fine? Mine didnt boot at all. Did you flash the KERNEL for ATT on top of it ?

 

[dmnall]

I flashed a KE7 I9100 build to my I777 and saw no ill effects other than incorrect capacitive button mapping. Which build did you flash? Did you make sure to wipe data factory reset afterwards.

The simple thing would be to change out the sec_touchkey.kl with rootexplorer and take the sec_touchkey from system/usr/keylayout should fix the i9100 rom to work with the i777. Seeing as how this worked for the Captivate *i897* for jvr, jvs, and jvt darkyrom releases and I would assume that it would work.

So you are saying that you wre able to flash Euro ROMS and your phone booted just fine? Mine didnt boot at all. Did you flash the KERNEL for ATT on top of it ?

Personally I would think that you had a bad flash? Did you flash through Odin or CWM? From what I have been reading the gb bootloaders between the i777 and i9100 are different and I can see if you used a custom i9100 rom flashing via cwm could cause that. Since I am not too sure on the sgs2 if the differences between the euro models versus the carrier locked, the Kernel will not fix the button mapping, I learned this with the captivate when I switched over to using DarkyRom jvr and jvs builds since they were the most stable of GB for the i897 captivate. Plus if you are going to run a i9100 rom, I am sure the modem will not work with the att kernel. Especially if the situation with the cappy is any indication that att kernel needs att modem and i9000 kernel needs i9000 modem. I will be able to know more as soon as I get my i777 tomorrow.

HTH,
Charlie

 

[DiscipleDOC]

Does anyone know how to remove the i9100 splash screen?

 

[spbluffmaster]

Google Talk Video does not work after updating to CyanogenMod 7 and back to stock rom. Any suggestion ?

 

[Entropy512]

Google Talk Video does not work after updating to CyanogenMod 7 and back to stock rom. Any suggestion ?

wipe data/factory reset

 

[spbluffmaster]

tried that three times... didnt help..

 

[Speedy350z]

Did the same thing and made it back to ATT version and running CM7 for now. Still have an I9100 boot screen with a yellow logo. How do I get rid of that?

 

[highaltitude]

SO why do you say this flashes you back to 95%? Is there no 100% return to stock fix?

 

[striketrue]

Does anyone know how to remove the i9100 splash screen?

Did the same thing and made it back to ATT version and running CM7 for now. Still have an I9100 boot screen with a yellow logo. How do I get rid of that?

http://forum.xda-developers.com/showthread.php?t=1311975

 

[Misterjunky]

re: get rid of i9100 boot logo

Did the same thing and made it back to ATT version and running CM7 for now. Still have an I9100 boot screen with a yellow logo. How do I get rid of that?

Use a download mode jig or flash entropy 512's stock TAR kernel with Odin from the link below.

http://forum.xda-developers.com/show....php?t=1286432

Good luck!

 

[Entropy512]

SO why do you say this flashes you back to 95%? Is there no 100% return to stock fix?

Some people need to wipe or also flash the modem for 100%.

Also, people who managed to flash a bootloader without hardbricking can't get back to stock with any confirmed method.

I have posted bootloader dumps, but no one has flashed them and I'm not messing with trying to flash them. They are dumps from my device and that is the ONLY guarantee I provide for them.

 

[bigpapi19]

Some people need to wipe or also flash the modem for 100%.

Also, people who managed to flash a bootloader without hardbricking can't get back to stock with any confirmed method.

I have posted bootloader dumps, but no one has flashed them and I'm not messing with trying to flash them. They are dumps from my device and that is the ONLY guarantee I provide for them.

i messed up and flashed an i9100 rom and am having the call prob u described. can i just flash the modem or stock rooted kernel and be back to 100%? if so do i use odin and do i need to check the box for repartition or anything like that? thx in advance!!!