How to Flash Custom ROM on Samsung Galaxy J7 Pro Android 8.1.0 Oreo. Base on FireHound-V4.4 ROM Android 8.1.0 OREO. It works for SM-J730GM, SM-J730G and SM-J730F, UNOFFICIAL release 27-04-2018. To install this ROM, your phone need to be installed TWRP Custom Recovery. Use at your own risk, I’m not responsible for bricking your device. • Read More »