j730f u3 repair imei issui can help me

Waiting ADB device... OK
Reading phone info...
Model: SM-J730F
Android version: 7.0
PDA version: J730FXWS3ARI7
CSC version: J730FOJV3ARI1
Phone version: J730FXXU3ARI2
Product code: SM-J730FZKHMID
CSC country code: Iraq
CSC sales code: MID
Phone SN: R58K41XDJ9L
IMEI: 356204096408461
HW version: MP 0.500
RF cal date: 20180411
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-09-01
Boot Warranty bit: 1
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...
Start... OK
Initialization... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data... error (1)
Initialization zTool... error (0 1)
Try downgrade modem if possible