Originally Posted by uf21
Can I just straight flash over it without losing any data?
Firmware upgrade won't wipe ur data.
But IF happen u stuck at bootloop, u will need to do full wipe from stock recovery.
If u never stuck in bootloop, u will still have ur apps only recovery change back to stock nd ur root gone but supersu still inside. U will need to re root again.
Sent from somewhere under the sky, at the corner of this rounded earth.