J710MN - Modem Board is empty/null

[mcdiniz]

Hi
I already tried write full combination Bit 4, but i alway got modem board as null and after tried write cert (got msg please try downgrade modem) i already write eng modem bit 4 of the combination too)

Any solution for repair this modem?

Waiting ADB device... OK
Reading phone info...
Model: SM-J710MN
Android version: 8.1.0
PDA version: J710MNVJU4CRK1
CSC version: J710MNZTO4CRK1
Phone version: 
Product code: 
CSC country code: Brazil
CSC sales code: ZTO
Phone SN: 
IMEI: 
HW version: 
RF cal date: 
Chip name: EXYNOS7870
Modem board: 
Security patch: 2018-11-01
Boot Warranty bit: 0
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data... error (1)
Initialization zTool... error (0 1)
Try downgrade modem if possible

Done with Samsung Tool PRO v.34.8

[nessyb]

Originally Posted by mcdiniz

Hi
I already tried write full combination Bit 4, but i alway got modem board as null and after tried write cert (got msg please try downgrade modem) i already write eng modem bit 4 of the combination too)

Any solution for repair this modem?

Waiting ADB device... OK
Reading phone info...
Model: SM-J710MN
Android version: 8.1.0
PDA version: J710MNVJU4CRK1
CSC version: J710MNZTO4CRK1
Phone version: 
Product code: 
CSC country code: Brazil
CSC sales code: ZTO
Phone SN: 
IMEI: 
HW version: 
RF cal date: 
Chip name: EXYNOS7870
Modem board: 
Security patch: 2018-11-01
Boot Warranty bit: 0
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data... error (1)
Initialization zTool... error (0 1)
Try downgrade modem if possible

Done with Samsung Tool PRO v.34.8

first no cert write on oreo is supported by z3x
second you hve high patch level meaning samsung closed holes/exploits

no solution by can try paid services

[mcdiniz]

Originally Posted by nessyb

first no cert write on oreo is supported by z3x
second you hve high patch level meaning samsung closed holes/exploits

no solution by can try paid services

I dont want change imei, i just want repair IMEI original. it is all 000000000000

[philantropist]

how to access paid service