[ghacks]

BACKUP INSTRUCTIONS:
Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Read EFS' button to read backup or 'Write EFS' to restore.
6. Press 'Write CERT' to restore certificates.
7. Press 'Write NV DATA' if you need to restore NV backup.

Read certificate operation:
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Read CERT' button to read certificates.

Operation: Write CERT
Selected model: SM-G925T
Software version: 27.9

Waiting ADB device... Ok
Reading phone info...
Model: SM-G925T
Android version: 6.0.1
Product code:
Phone version: G925TUVU5EPJ1
PDA version: G925TUVU5EPK5
CSC version: G925TTMB5EPK5
CSC country code: USA
CSC sales code: TMB
HW version:
Phone SN: R58G40WH8YN
Chip name: EXYNOS7420
Modem board: SHANNON333
Security patch: 2016-11-01
RF cal date:
IMEI:
Checking Super user right... true
Reading NV data... Ok
Checking NV data... Ok
Initialization zTool... Ok
Running zTool, please wait... Ok
HWID: 08 1F 07 AF 8C 06 00 00 00 00 00 00 00 00 00 00
Calculating... Ok
Initialization AT RIL...
AT RIL stopped, restarting... Ok
Checking for compatible phone and cert
Phone KEY ID: 0346
Checking certificate file... Ok
KEY ID: 0346
Crypting CERT 1... Ok
Writing NV data... Ok
Rebooting phone... Ok
Done with Samsung Tool PRO v.27.9