Tested on Galaxy J6 j6ltedx J600G Android Pie (9)
Unlock Bootloader
- Remove all account (email, samsung account, etc)
- Turn On Developer Option
- Turn on Oem Unlocking, It will make factory reset
- After factory reset turn on data to see the unlock
TWRP, Magisk & Root
- Turn off phone press vol up + down, plugin usb cable
- Go to download mode
- Flash TWRP Here
- Format Phone > Reboot Recovery > Reboot to recovery
- Wipe cache, dalvick, data
- Flash Magisk