how would I flash a ROM without loosing data, for example, if I have a TWRP backup of another rom, would I restore the rom via TWRP, install dualbootpatcher, backup the rom via dual boot patcher, patch the backup, restore the previous rom via TWRP, then flash the patched backup via dualboot?
how would I flash a ROM without loosing data, for example, if I have a TWRP backup of another rom, would I restore the rom via TWRP, install dualbootpatcher, backup the rom via dual boot patcher, patch the backup, restore the previous rom via TWRP, then flash the patched backup via dualboot?