Unlock your boot loader​ ➖ Go to 'Settings' -> 'About phone' and find… — VulcanROM - 990 series - announcements — TG.ME

Unlock your boot loader​


Go to 'Settings' -> 'About phone' and find your build number.
Tap build number 6 times until you see “You’re now a developer”.
Go in Developer options > enable OEM unlocking.
Shut Down your Phone
Hold Vol + & Vol - and Connect the USB-C Cable
Device will boot in DOWNLOAD MODE.
Long press volume UP to unlock the bootloader
(this will wipe your data and automatically reboot your device!).
After Reboot the Bootloader is unlocked.

Install VulcanROM V3


Boot Into Download mode.
Power off your device.
Simultaneously hold both volume keys, then plug it into a pc.
Press volume key up.
Download ODIN
Place VulcanV3.tar in AP, and the ODIN pack for your device in BL
Wait for the phone to reboot to recovery.
Make sure you select the format option in TWRP (VOL UP).
Thats it! Welcome to VulcanROM V3!

Post Install steps (recommended)


Update Vulcan ROM components
Install KSU Next Manager