[Galaxy S III General] vinokirk:
I'm just taking what txlibre wrote in http://xdaforums.com/showthread.php?t=1715149 and re-displaying it in a format that I think is easier to understand for n00bs :)

This really isn't that hard TBH IMO :)

This worked for me on a GS3 locked to Orange UK, and another locked to Three UK. Your Mileage May Vary!!

-----I cannot be held responsible for anything that happens to you or your phone, from carrying out anything I have said!-----

Credits: txlibre, mskip, the person whoever originally wrote these instructions

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VIDEO GUIDE:

Part 1 (A-E) - http://youtu.be/P1H2yUyQ4J8

Part 2 (1-25) - http://youtu.be/uAVbYx68WI4

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Things to do before starting:

A - Make sure your S3 is rooted (http://xdaforums.com/showthread.php?t=1703488).

B - Make a backup copy of the /efs folder on your PC.

C - Also backup your EFS using mskips ToolKit (http://xdaforums.com/showthread.php?t=1703488).

D - Get a Hex Editor (I used Notepad++ with this plugin: http://sourceforge.net/projects/npp...n v0.9.5/HexEditor_0_9_5_UNI_dll.zip/download (just put the dll in the plugins folder of Notepad++)).

E - Install Root Explorer on your phone.

Now for the actual process:

1 - Using Root Explorer, copy the file nv_data.bin file from your phones /efs folder to your PC and open it in Notepad++.

2 - Scroll down and find address 00181460, modify the 01 to 00.

3 - Save the file.

4 - Copy the modified nv_data.bin from your computer back to your phones /efs folder using Root Explorer.

.....(Make sure you keep a copy of this modified file for step 15.)

5 - Once copied to the phone, open Root Explorer and long press on the nv_data.bin file till the menu pops up and select 'Permissions'.

6 - Make sure ONLY the Read, Write and Execute boxes for Owner are ticked, and press OK.

7 - Then again, long press on the nv_data.bin file till the menu pops up, and select 'Change owner'.

8 - Change Owner and Group to 1001-Radio and press OK.

9 - Restart your phone.

10 - Once restarted dial *#7465625#, check Network Lock is ON and press OK.

11 - Using Root Explorer, copy the file nv.log from your phones /efs folder to your PC and open it.

12 - You should see something like:

... ..Mon Jun 18 23:34:32 2012: MD5 fail. orignal md5 'e1493854d4d62ff4e123040855f8b2a9' computed md5 'd29d791b193de8b6711445231fb7d427' (rild)

.. ...Mon Jun 18 23:34:32 2012: backup NV restored.

... ..(Your numbers may differ).

13 - Copy the file nv_data.bin.md5 from your phones /efs folder to your PC and open it.

... ..You should see the first number listed in step 12 (in my case e1493854d4d62ff4e123040855f8b2a9).

14 - Copy the second number in step 12 (in my case d29d791b193de8b6711445231fb7d427) and put in the nv_data.bin.md5 file, so it is the only number in there. Now save the file.

15 - Now copy the modified nv_data.bin file (from step 4) and the modified nv_data.bin.md5 (from step 14) back to your /efs folder on your phone.

16 - Once copied, long press on the nv_data.bin file till the menu pops up and select 'Permissions'.

17 - Make sure ONLY the Read, Write and Execute boxes for Owner are ticked and press OK.

18 - Then again long press on the nv_data.bin file till the menu pops up and select 'Change owner'.

19 - Change Owner and Group to 1001-Radio and press OK.

20 - Now, long press on the nv_data.bin.md5 file till the menu pops up and select 'Permissions'.

21 - Make sure ONLY the Read, Write and Execute boxes for Owner are ticked and press OK.

22 - Then again long press on the nv_data.bin.md5 file till the menu pops up and select 'Change owner'.

23 - Change Owner and Group to 1001-Radio and press OK.

24 - Restart your phone.

25 - Once restarted dial *#7465625# and check Network Lock is OFF and press OK.