G800f after cert write erro

[denny86]

G800F AFTER CERT WRITE ERRO PLZ HELP

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. Enable 'USB debugging' in
'Settings'-'Developer options' for Android 4.0 - 4.1.2 or
tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options' in Android 4.2+.
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-G800F
Software version: 27.1

Checking certificate file... ok
KEY ID: 0573
Waiting ADB device... ok
Reading phone info...
Model: SM-G800F
Android version: 4.4.2
Product code:
Phone version: G800FXXU1AOE3
PDA version: G800FXXU1AOE3
CSC version: G800FOJV1AOE1
CSC country code: UAE
CSC sales code: XSG
HW version:
Phone SN:
Chip name: EXYNOS3470
Modem board: SS222
RF cal date:
IMEI: 350695200123951
Checking Super user right... true
Reading NV data... ok
Checking NV data... error
Security damaged (1)
Done with Samsung Tool PRO v.27.1