Samsung Galaxy S2 Free SIM Unlock via nv_data.bin by Odia
Free SIM Unlock for SGS2 by Odia.
1. Root your phone.
2. Extract your nv_data.bin
3. Look at the file with an hex-editor and goto offset 0x181460
4. Take the hashes from 0x18146e (20 bytes), 0x18148e, 0x1814ae, 0x1814ce, 0x1814ee
5. If the hash is 7D 3E 17 CF CD 81 6C AC D4 E0 25 FA A6 50 04 FD D1 7D 51 F8 ignore it since that is 00000000
6. Put the hash into the BF exe for example:-
ighashgpu.exe /h:EF63BF26E2382917D96850CCF9632458EE6E6C77 /t:sha1 /c:d /max:8 /min:8 /salt:0000000000000000
and wait for it to finish, do that for each hash which is not zeros, the Found password: [50681318] is the code.
7. Put unaccepted simcard in the phone and when it asks for the unlock code enter them in order
8. Job done, phone is now unlocked for free.
Some untested theory for experts:-
1. 0x180069+ make FF ...
2. 0x181469 make 00
3. 0x181518 make 00
write nv_data.bin, remove .md5 and reboot the phone, should now be unlocked without knowing the code.
Dynamic located PERSO section, holds the mastercode (MCK / unfreeze), search for PERSO and look for a hash, can be multiple old sections, added screendump with an example.
MCK HASH is also in the SSNV section @ offset 0x180049
If you cannot find a block which looks like hashes @ 0x181460, then search for SSNV and add 5216, but from the files which I have seen the block appears to be fixed @ 0x181460.
source
1. Root your phone.
2. Extract your nv_data.bin
3. Look at the file with an hex-editor and goto offset 0x181460
4. Take the hashes from 0x18146e (20 bytes), 0x18148e, 0x1814ae, 0x1814ce, 0x1814ee
5. If the hash is 7D 3E 17 CF CD 81 6C AC D4 E0 25 FA A6 50 04 FD D1 7D 51 F8 ignore it since that is 00000000
6. Put the hash into the BF exe for example:-
ighashgpu.exe /h:EF63BF26E2382917D96850CCF9632458EE6E6C77 /t:sha1 /c:d /max:8 /min:8 /salt:0000000000000000
and wait for it to finish, do that for each hash which is not zeros, the Found password: [50681318] is the code.
7. Put unaccepted simcard in the phone and when it asks for the unlock code enter them in order
8. Job done, phone is now unlocked for free.
Some untested theory for experts:-
1. 0x180069+ make FF ...
2. 0x181469 make 00
3. 0x181518 make 00
write nv_data.bin, remove .md5 and reboot the phone, should now be unlocked without knowing the code.
Dynamic located PERSO section, holds the mastercode (MCK / unfreeze), search for PERSO and look for a hash, can be multiple old sections, added screendump with an example.
MCK HASH is also in the SSNV section @ offset 0x180049
If you cannot find a block which looks like hashes @ 0x181460, then search for SSNV and add 5216, but from the files which I have seen the block appears to be fixed @ 0x181460.
source
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