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 'Read CERT' button to read certificates or 'Write CERT' to restore.
7. Press 'Write NV DATA' if you need to restore NV backup.
Operation: Write CERT
Selected model: SM-J200F
Software version: 27.1
Waiting ADB device... ok
Reading phone info...
Model: SM-J200F
Android version: 5.1.1
Product code: SM-J200FZDDTHR
Phone version: J200FXXU2API1
PDA version: J200FXXU2APJ1
CSC version: J200FOJV2APJ1
CSC country code: IRAN
CSC sales code: THR
HW version: MP 0.300
Phone SN: R58H52EQEEA
Chip name: EXYNOS3475
Modem board: SHANNON308
RF cal date: 20160514
IMEI:
Checking Super user right... true
Initialization zTool... ok
Running zTool, please wait...
Start... ok
Initialization... ok
Generate and check client proof... ok
Verify proof by client... ok
Reading data... error (9)
Done with Samsung Tool PRO v.27.1