[GUIDE] Debrand & Rebrand back to O2 for Samsung Galaxy S2

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S1MB4D

Senior Member
Aug 22, 2004
133
1
London
Might sound stupid but still....

yes this might dumb but is there no other way of removing the dumbass startup and shutdown logo other than installing firmware?
 

pulser_g2

Admin Emeritus / Senior Recognized Developer
Nov 27, 2009
19,544
11,630
S1MB4D said:
yes this might dumb but is there no other way of removing the dumbass startup and shutdown logo other than installing firmware?

I will try and get something out tomorrow evening that does this without a full flash.

Will need root though
 
May 3, 2011
27
0
I got my phone from 3. Thus, my ROM is 3 branded. Is there a copy of the stock 3 rom anywhere, alternatively is there a way for me to extract it from my device or otherwise obtain it?
 

Fornowagain

Senior Member
Jul 14, 2010
584
181
UK
I got my phone from 3. Thus, my ROM is 3 branded. Is there a copy of the stock 3 rom anywhere, alternatively is there a way for me to extract it from my device or otherwise obtain it?

Connect it to Kies and get the info below from regedit, might be possible to get the 3 firmware.

HKEY_CURRENT_USER\Software\Samsung\Kies\DeviceDB\1 \

Model = GT-I9100
Product code = GT-I9100??????
HIDSWVER = ????
 

Fornowagain

Senior Member
Jul 14, 2010
584
181
UK
Last edited:
May 3, 2011
27
0
hey, that's good to know though... is there any way to extract it from the device?
And this wouldn't affect compatibility with any of the stuff already on here would it?
 

Fornowagain

Senior Member
Jul 14, 2010
584
181
UK
hey, that's good to know though... is there any way to extract it from the device?
Not easily and certainly not straight forward. Keep looking for a 3 firmware to download, if only for warranty reasons. They'll update eventually.
And this wouldn't affect compatibility with any of the stuff already on here would it?
The 3 bit and pieces is only branding, doesn't effect anything.
 
May 3, 2011
27
0
ah so this little program basically pretends to be kies accepting an official firmware update by submitting the info above to samsung's servers. Thus, this program intercepts that update and allows me to save it. That makes sense. Hope 3 update soon then.
 

Fornowagain

Senior Member
Jul 14, 2010
584
181
UK
Not quite just updates, but the most 'up to date' as it were. From playing with it, if there's only one that's all you get, if there's a few older ones you get the latest.
 

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  • 17
    STEP 1- Download Odin V1.83 here http://hotfile.com/dl/116095613/1d3d429/Odin3_v1.83.exe.html This will be used for flashing files later.

    STEP 2- Download Kies here http://www.samsungapps.com/about/onPc.as?L...OUNTRY_CODE=GBR This will install the usb drivers needed for the flashing so install after downloaded.

    STEP 3- Download Latest samsung UK Simfree firmware here http://www.multiupload.co.uk/LSLRGURR57 There is no Password Just put extract the .tar file in the zip archive and put it as the PDA in odin and reboot your phone to download mode

    STEP 4- Connect the USB cable and Turn your device on with volume down, action and power pressed - press 'up' at the warning prompt Run the Odin EXE you just extracted from the ZIP.

    STEP 5- Only 1 file must be loaded in the PDA box the file as follows For PDA load, I9100XWKDD_I9100XXKDH_I9100XEUKD1_HOME.TAR
    NOTE(PLEASE TAKE A LOOK AT THE PIC BELOW AND AND MAKE SURE THAT YOU REPLICATE THE SAME SETTINGS AS IN THE PIC AND YOUR GOOD TO GO)

    STEP 6- You should have a yellow box on the left side in Odin if you have followed this guide this means you are ready to flash. Please make sure your battery is full wait for any drivers to load and the yellow box on the left should be there if it isnt you have not installed Kies STEP 2 if you have the yellow box on left proceed by pressing start on Odin and relax.

    STEP 7- Odin will display a progress meter on Odin and on the phone be patient while it flashes all the required files once done it will reboot the phone and goodbye o2 logo on boot and shutdown. When the phone finally boots back complete setup. And there you have it a fully debranded samsung galaxy s2 hope it was easy to follow enjoy.

    STEP 8- One last final step is to change your CSC code by typing this code in the phone dialer *#272*<your IMEI># (the code will be listed at the top of the screen. If you're coming from O2 PAYG handset it should say O2U. Now Enter recovery (volume up, home, power keys together) and do a factory reset and choose reboot phone Check your CSC code again Hopefully it will now say XEU

    Rebrand your firmware back to O2 original firmware for warranty purpose or you just want to go back to o2 original rom download it here http://www.multiupload.com/VHX20NJEAP There is no password extract the zip file to the desktop you should end up with I9100XWKDD_I9100XXKDH_I9100O2UKD1_HOME.TAR The procedure is the same as above just start from STEP 4 above skip STEP 8 use the same settings as shown in the pic below enjoy.

    FIRMWARE INFO

    Model: I9100
    latest official UK firmware
    PDA:XWKDD
    PHONE: XXKDH
    CSC:XEUKD1 (XEU csc)
    3
    I am going to do a rebrand guide back to O2 stock soon just waiting to get my hands on the O2 stock rom whack I believe has been done and ready for uploading.

    Here you go, O2 stock firmware decrypted > http://www.multiupload.com/VHX20NJEAP
    2
    Model name: GT-I9100

    Model = GT-I9100
    Product code = GT-I9100LKAH3G
    HIDSWVER = I9100XWKE1/I9100H3GKD4/I9100NEKD5/I9100XWKE1

    What do I do next???

    Take the info and look here > http://fus.nanzen.se/

    If Samsung server responds then the firmware can be downloaded and decrypted.

    No firmware info for given data.

    Sorry checked and it looks like you're out of luck, try later it may appear at some point.
    1
    Is the kernell in that pack KERNEL_I9100XWKDF_CL170898_REV02_user_low_ship.tar.md5? is that the one we flash once we have rooted to get rid of the yellow !
    Yes, that's right!
    1
    Hi,

    Would anyone have a link to the original o2 ROM at the start of this thread, I deleted the one I had thinking I wouldn't need it anymore but I was wrong :(

    Thanks

    T

    Hiya,

    The best source for the branded and unbranded firmware is samfirmware.com. You need to be logged in to download anything. I saw there many uk carrier's firmware. Some of them you can update via kies, but the firmware in your phone must be original (stock that came with phone).