j330l u3 repair network done

tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Reboot to...' button and select mode to reboot (download or recovery).

Operation: Patch Certificate
Selected model: SM-J330L
Software version: 37.0

Waiting ADB device... OK
Reading phone info...
Model: SM-J330L
Android version: 8.0.0
PDA version: J330LKLU3BSE1
CSC version: J330LLUC3BSE1
Phone version: J330LKLU3BSF2
Product code:
CSC country code: KOREA
CSC sales code: LUC
Phone SN: R59K8046QM
IMEI: 35311XXXXXXXX
HW version: REV0.2
RF cal date: 20180820
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2019-06-01
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Searching server... OK
Waiting for server answer... OK
Patching... OK
Rebooting phone... OK

Done with Samsung Tool PRO v.37.0