How to solve samsung G925F error when rep

[julius84]

how to solve samsung g925f error when writting certificate?

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.

Read certificate via diagnostic port:
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read CERT DIAG' button to read certificates.

Operation: Write CERT
Selected model: SM-G925F
Software version: 40.7

Waiting ADB device... OK
Reading phone info...
Model: SM-G925F
Android version: 5.0.2
PDA version: G925FXXU1AOD4
CSC version:
Phone version: G925FXXU1AOCZ
Product code: SM-G925FZKEXFA
CSC country code: SOUTH AFRICA
CSC sales code: XFA
Phone SN: RF8G41S5W8Z
IMEI:
HW version: MP 0.600
RF cal date: 20150422
Chip name: EXYNOS7420
Modem board: SHANNON333
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Initialization zTool... OK
Running zTool, please wait... error (7.5.2)

Done with Samsung Tool PRO v.40.7