Alright I understand, I thought a unroot and removal of supersu would suffice.
Update center, that's the Sony PC companion yes? Won't I loose all my data?
Even with a backup, don't I have to set up the whole phone again? As if I would flash a ftf?
iPhone 3gs(~4 months) -> HTC HD2(~5 months) -> HTC Desire HD(~6 months) -> Samsung Galaxy Note(~2 weeks
) -> Asus Padfone 3-in-1(~1 year) -> Sony Xperia Z Ultra