TWRP has been successfully ported to the Galaxy J7 Refine (SM-J737P) (Oreo 8.0)
ROOT METHOD POSTED BELOW IN POST #2
Giving credit where credit is due:
Dark98 for compiling the TWRP.img
☆KØŁØЯΛĐØ☆ providing device files + testing/porti...
Galaxy J7 Refine (SM-J737P) (Oreo 8.0)
FOLLOW THESE DIRECTIONS. I AM NOT RESPONSIBLE IF YOU BRICK YOUR DEVICE.
I have given you a freebie by providing the patched_boot.img.tar, thus saving you a few steps
All files needed are up...
I do not take any credit for the files or programs used, only for creating the method. There's a similar & almost correct bypass method previously posted for this device; I had no knowledge of that post prior to figuring out this method.
I personally tested this method & can conclude it is working flawlessly. For those folks that have English as a secondary language or those that have a hard time following simple step-by-step instructions, I'll reiterate to the simplest form possi...
That would be making my own boot image from my pie firmware?
If making means patching, then yes. The method remains the same, just make sure to have the proper programs &/or partitions