1- root the phone
Root T-Mobile S6 and S6 edge on 5.1.1 without Tripping KNOX counter - androiding.how
2- You will need this file EFS
EFS_SM-G925T_G925TUVU1AOCG__R58G31M6JRE_16-6-2015_15-2-38 - Download - 4shared and this file
Cert-SM-G925T-359715060542685
2 - write EFS (if you see baseband Unknown, don't worry Do the Step 3)
3 - write cert If see Initialization AT RIL... error
4 - write EFS Again after do the step 5
5 - Reset EFS
6- Write NV Data Backup
7- Says Thanks
See my Logs:
Whrite Cert
Operation: Write CERT
Selected model: SM-G925T
Software version: 21.9
Checking certificate file... OK
KEY ID: 0346
Waiting ADB device... OK
Reading phone info...
Model: SM-G925T
Android version: 5.1.1
Product code:
Phone version: G925TUVU2COF6
PDA version: G925TUVU2COF6
CSC version:
CSC country code:
CSC sales code:
HW version:
Phone S/N:
Modem board: SHANNON333
RF cal date:
IMEI:
Checking Super user right... true
Initialization AT RIL... OK
Checking MSL... OK
Checking for compatible phone and cert... OK
Phone KEY ID: 0346
Writing CERT... OK
Checking CERT status... OK
Rebooting phone... OK
Write CERT done
Whrite EFS
Operation: Write EFS
Selected model: SM-G925T
Software version: 21.5
Waiting ADB device... OK
Reading phone info...
Model: SM-G925T
Android version: 5.1.1
Product code:
Phone version: G925TUVU2COF6
PDA version: G925TUVU2COF6
CSC version:
CSC country code:
CSC sales code:
HW version:
Phone S/N:
Modem board: SHANNON333
RF cal date:
IMEI:
Checking Super user right... true
Extracting EFS file... OK
Converting img to ext4... OK
Writing EFS to phone... OK
Rebooting phone... OK
Reset EFs
Waiting ADB device... OK
Reading phone info...
Model: SM-G925T
Android version: 5.1.1
Product code:
Phone version: G925TUVU2COF6
PDA version: G925TUVU2COF6
CSC version:
CSC country code:
CSC sales code:
HW version:
Phone S/N: R58G515BXVT
Modem board: SHANNON333
RF cal date:
IMEI:
Checking Super user right... true
Backuping EFS... OK
Reseting EFS... OK
Rebooting phone... OK
Operation: Unlock
Selected model: SM-G925T
Software version: 21.9
Whrite NV Data
Operation: Write NV DATA
Selected model: SM-G925T
Software version: 21.9
Waiting ADB device... OK
Reading phone info...
Model: SM-G925T
Android version: 5.1.1
Product code:
Phone version:
PDA version: G925TUVU2COF6
CSC version:
CSC country code:
CSC sales code:
HW version:
Phone S/N: R58G41908SF
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Writing nv data... OK
Recalculating md5... OK
Deleting backup... OK
Rebooting phone... OK
Write NV Data done
