Confirm your device is a Samsung Galaxy J7 Prime (Exynos 7870 variant). Do not flash this on Snapdragon variants.
If your phone stays stuck on the Samsung boot logo for more than 20 minutes, boot back into TWRP, go to Wipe > Format Data , type "yes", confirm, and reboot. prometheus v3 rom j7 prime
In TWRP, tap , locate the ROM file, and swipe to flash. 4. Navigate the Aroma Installer Confirm your device is a Samsung Galaxy J7