G611f | Samsung J7 Prime 2 write cert problem

Set comes for country lock
step perform
1. downgrade to 7.1.1
2. flash TWRP
3. install SuerSu
4. Backup efs and Cert
5. Unlock

Unlock done but now baseband unknown
try to write cert but fail on reading data error


flash several firmware and try but no luck..

SM-G611F_G611FDDU1ARA6_G611FODD1ARA6_ODD_4file
INS-G611FDDU1BRI5_G611FODD1BRI5-20180917
KSA-G611FXXU1ARA8_G611FOJV1ARB2-20180119
G611FDDU1AQLA_G611FODD1AQLA_INS




Here is log.............................









Operation: Write CERT
Selected model: SM-G611F
Software version: 34.11

Waiting ADB device... OK
Reading phone info...
Model: SM-G611F
Android version: 7.1.1
PDA version: G611FXXU1ARA8
CSC version: G611FOJV1ARB2
Phone version:
Product code:
CSC country code: UAE
CSC sales code: XSG
Phone SN: R58K647LXED
IMEI:
HW version:
RF cal date:
Chip name: EXYNOS7870
Modem board:
Security patch: 2018-01-01
Boot Warranty bit: 1
SIM State: NOT_READY,NOT_READY
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 19)
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... error (0)
Try downgrade modem if possible

Done with Samsung Tool PRO v.34.11