samsung g313 imei null

[shailccna]

REPAIR 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. Fill values what you need to repair.
5. Press 'Repair' button.

Operation: Repair
Selected model: SM-G313HZ
Software version: 22.0

Waiting ADB device... OK
Reading phone info...
Model: SM-G313HZ
Android version: 4.4.2
Product code:
Phone version:
PDA version: G313HZDBU0ANH1
CSC version: G313HZOLB0ANH1
CSC country code: VIETNAM
CSC sales code: XXV
HW version:
Phone S/N:
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Bypass MSL... error (-1)

Done with Samsung Tool PRO v.22.0

[shailccna]

any body suggest how can be repair