N7505 Imei Repair

Here log


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-N7505
Software version: 33.2

Checking CERT file... OK
KEY ID: 0028
Waiting ADB device... OK
Reading phone info...
Model: SM-N7505
Android version: 5.1.1
PDA version: N7505XXSDPL2
CSC version: N7505OXEDPA1
Phone version:
Product code:
CSC country code: Russia
CSC sales code: SER
Phone SN: R38F20GGNNP
IMEI:
HW version:
RF cal date:
Chip name: EXYNOS5260
Modem board:
Security patch: 2016-02-01
Boot Warranty bit: 1
Checking Super user right... true
Reading NV data... OK
Checking magic... OK
Running zTool, please wait... error (unknown)

Done with Samsung Tool PRO v.33.2

any help?