j730f network lock error U3

Operation: Unlock
Selected model: SM-J730F
Software version: 34.8

Waiting ADB device... OK
Reading phone info...
Model: SM-J730F
Android version: 8.1.0
PDA version: J730FXWU3BRL1
CSC version: J730FOJV3BRL1
Phone version: J730FXXU3BRI5
Product code: SM-J730FZKGKSA
CSC country code: KSA
CSC sales code: KSA
Phone SN: R28JB2TARHB
IMEI: 359605084898397
HW version: MP 0.400
RF cal date: 20171123
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-12-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED,ABSENT
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