Just flash J337V EngModem from appropriate bit and unlock it, in my case bit2
RK1 but it apply to bit3
SF1 too.
Code:
Phone info:
~~~~~~~~~~~
Android version: 8.0.0
Android security patch: 2018-12-01
Manufacturer: samsung
Model: SM-J337VPP
RIL version: Samsung RIL v4.0
RIL serial: RF8M12A50FH
Phone HW: samsungexynos7885
Phone version: J337VPPVRS2ARK1
Modem HW: SHANNON327
Modem version: J337VVRU2ARI1
CSC: J337VPPVZW2ARK1
IMEI: 35206810xxxxxxx
Adjusting DebugLevel OK
Server Auth OK
Phone Auth OK
Read data from phone OK
Server calc OK
Write data to phone OK
Phone unlocked
Stopping APP...
Finished