Unroot Galaxy S2

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kili2

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Hi everyone :)

Im trying to unroot my galaxy s2 because i have to return my phone back to mtn cause one of the camera has stopped working.

Can i get someone's phone information (MTN) about-

BASEBAND VERSION
KERNAL VERSION
BUILD NUMBER
ETC

Help would be greatly appreciated!

Thanks
 
You should have made a backup of your ROM before rooting. As far as I know, you need to install the stock ROM from scratch to overwrite the one you have now. Best you type *#1234# on your phone, take down that info and download the appropriate ROM that matches your phone. Even then, the bootlogo will go missing, so either way, you have a problem (MTN will see that their bootlogo is missing and assume you installed other firmware). Another issue you may have is that your custom binary counter may have gone to 1, which means if they see this, they could refuse to repair your phone, because they know you loaded another ROM or kernel onto it. A USB Jig can get rid of it. This is from what I've read. I hope there is an easier way to unroot, so I'll do some more research and keep an eye on this thread.
With Vodacom, this isn't really an issue. They repair it anyway. If you can't unroot, just take it back and hope they don't worry about it as well.
 
mercurial said:
You should have made a backup of your ROM before rooting. As far as I know, you need to install the stock ROM from scratch to overwrite the one you have now. Best you type *#1234# on your phone, take down that info and download the appropriate ROM that matches your phone. Even then, the bootlogo will go missing, so either way, you have a problem (MTN will see that their bootlogo is missing and assume you installed other firmware). Another issue you may have is that your custom binary counter may have gone to 1, which means if they see this, they could refuse to repair your phone, because they know you loaded another ROM or kernel onto it. A USB Jig can get rid of it. This is from what I've read. I hope there is an easier way to unroot, so I'll do some more research and keep an eye on this thread.
With Vodacom, this isn't really an issue. They repair it anyway. If you can't unroot, just take it back and hope they don't worry about it as well.
Click to expand...

Hi thanks,

When I first got the phone there was no mtn logo when booting (i remember this) :) and also I have made my USB jig order from bidorbuy so i think thats sorted. Will this be possible if i take one of my friends phone (mtn stock) and make that backup and then install it onto my phone?
 
kili2 said:
Hi thanks,

When I first got the phone there was no mtn logo when booting (i remember this) :) and also I have made my USB jig order from bidorbuy so i think thats sorted. Will this be possible if i take one of my friends phone (mtn stock) and make that backup and then install it onto my phone?
Click to expand...

Okay, cool. I suppose you could do that but I'd advise against it. Rather download the stock rom from this thread on xda and install it. Much safer and it's a nice clean install.
 
XWKF3
XWKI4
Individual CSC Packages (OJCKI1 CSC)

What do you suggest i go for?
 
kili2 said:
XWKF3
XWKI4
Individual CSC Packages (OJCKI1 CSC)

What do you suggest i go for?
Click to expand...

Do you want to install a new version of Android or just another version of what you currently have? If you want a new version, I recommend XILA2. Otherwise just check for another XWKI4 version and install that.
 
Thanks

I have downloaded this GT-I9100_XEU_I9100XILA2_I9100XXKL1_I9100XEUKH2.7z
Do you think MTN would know?
 
Last edited:
kili2 said:
Thanks

I have downloaded this GT-I9100_XEU_I9100XILA2_I9100XXKL1_I9100XEUKH2.7z
Do you think MTN would know?
Click to expand...

Probably not, but the sales code on the box... what does it say? You might need to change it to match that. It should be 3 letters, like XFV or something. You can check it by typing *#272*<your IMEI>#
You can download the one you want from the same thread and xda and flash it via Odin.

EDIT: Fixed my typo :p
 
Last edited:
OK thanks will check when i get home from work.
"no xda and flash it via Odin." what do you mean?
*#272*<your IMEI># doesnt work :)
 
I edited my post now :p

Try this to get sales code - *2767*4387264636#

EDIT: I just tried it now and it works. My sales code is the same as before (XFV). I don't think the firmware will wipe the sales code, so don't even worry about this :) Just flash the new firmware in Odin.
 
Lol, still doesnt work. I will go home and look at my box haha
 
kili2 said:
Lol, still doesnt work. I will go home and look at my box haha
Click to expand...
:confused:

Did you type this into your dialer? I just did and mine works. The second line says GTI9100 bla bla bla and then the sales code is right next to it. E.g:

Code: 
Information	                         Location	                            Example

Model Number	                         Settings > About > Model Number	    GT-I9100
Android Version	                         Settings > About > Android Version	    2.3.3
Product Code	                         Keypad > *2767*4387264636#	            GT-I9100LKACOA
Firmware Versions	                 Keypad > *#1234#	                    PDA: I9100XWKE2
                                                                                    PHONE: I900XXKDJ
                                                                                    CSC: I900OXFKD4  
Kernel Version	                         Setting > About > Kernel Version	    2.6.35.7-I9100XWKE2-CL187606
                                                                                    root@DELL101 #2
 
Last edited:
Nope sorry doesnt work, the best i could do is-

Baseband Version I9100xxkh3
Kernel Version 2.6.35.14-g74f68f6atinm@wolverine#1SMP preempt
Build Number MIUI-ICS-sgs2
 
Mine is MTN stock 2.3.4

Baseband version
I9100XXKI1

Kernal version:
2.6.35.7-I9100XWKI4-CL676468
root@DELL143#2

Build number
GINGERBREAD.XWKI4
 
kili2 said:
Nope sorry doesnt work, the best i could do is-

Baseband Version I9100xxkh3
Kernel Version 2.6.35.14-g74f68f6atinm@wolverine#1SMP preempt
Build Number MIUI-ICS-sgs2
Click to expand...

Like I said, I don't think it matters anymore. Just install the new firmware.
 
Dude Google 'Check Fus', go to the site and download the PC app, then use the presets to chose the I9100, you'll be able to download the latest lies firmware for your phone, it will decrypt the zip, extract it, and flash with Odin :D
 
If you need more details, message Me! I used this method to get my note firmware right :)
 
you can use fus downloader to get the mtn software from the kies server.It is it there southafrica xfm which is the mtn firmware
 
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