I do not have any data to lose, but his problem was:
"If the image does not boot and your userdata is not an ext4 partition, you might try formatting it."
I have many ext4 partitions
the firmware and some android vendor partitions are vfat
and mountpoints with fuse and tracefs
So its not in any way related, it will not bring back any missing buttons.
At the moment Doridian is not useable in any way,
no Mobile Internet connection, missing buttons
wrong time, missing buttons
Cam does not save pictures
Firefox is crashing at startup