G920FD cert file write

just root phone choose g920f ND WRITE DUAL CERT FILE

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-G920F
Software version: 27.0

Waiting ADB device… ok
Reading phone info…
Model: SM-G920F
Android version: 5.0.2
Product code: SM-G920FZDUXEU
Phone version: G920FXXU4BPF1
PDA version: FA50_G920FXXU4APF1
CSC version:
CSC country code:
CSC sales code:
HW version: MP 0.900
Chip name: EXYNOS7420
Modem board: SHANNON333
RF cal date: 20151211
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… ok
HWID: A8 01 C4 1E 36 05 00 00 00 00 00 00 00 00 00 00
Checking certificate file… ok
KEY ID: 0346
Reading NV data… ok
Checking NV data… ok
Calculating… ok
Crypting CERT 1… ok
Crypting CERT 2… ok
Writing NV data… ok
Rebooting phone… ok
Write CERT done

Done with Samsung Tool PRO v.27.0