A8000 repair DRK ????help me!!

[lihua]

I have an A8000 DRK damaged. Is it possible to repair it?

Downgrade 5.1 not work!!!


flash COMBINATION_CHC_FA51_A8000ZCU2AOK1 is open!!!


REPAIR INSTRUCTIONS:
Activate Diagnostic Port:
1. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Select device in ADB settings.
2. Press 'Activate Diag' button.

Reset EFS, Disable Factory Mode:
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 'Reset EFS' if you need to reset it.
Be carefully, do not perform this without necessity. Backup will be created automatically.
6. If you have yellow table on your device screen, then press 'Disable Factory Mode' button.

Wipe EFS/NVM:
If you have 'IMEI null/null' or 'Phone baseband unknown' errors,
Then you can try to repair this errors with this function.
1. Power on the phone in download mode (turn off phone, hold Volume Down + Home + Power).
2. Connect USB cable, install drivers if needed.
3. Press 'Wipe EFS/NVM' button to deactivate security.
4. Wait till phone reboot.

Operation: Activate DIAG
Selected model: SM-A8000
Selected port: COM31 SAMSUNG Mobile USB Serial Port
Software version: 30.7

Waiting ADB device... OK
Reading phone info...
Model: SM-A8000
Android version: 5.1.1
Product code: Not Active
Phone version: A8000ZCU2AOJ4
PDA version: FA51_A8000ZCU2AOK1
CSC version:
CSC country code:
CSC sales code:
HW version: MP 0.700
Phone SN: R28H112RYMW
Modem board: MSM8939
RF cal date: 2016.01.08
IMEI: 354910074121429
Activating DIAG... OK
Activation DIAG done

Done with Samsung Tool PRO v.30.7