i'm testing your's 0509
in this you made the on boot fix?
could you say to me if it's normal this:
i make the wipe of the /system in twrp, then if i go to "repair or change fs" it show size 390mb, used 110mb
but if i make a wipe or a "change fs", used space shouldn't be 0mb?
is the same for /data.
i un/mounted the partitions before, but have always some mb used in both.
hum minitool show me that the two f2fs partitions are fully used, maybe it can't read the f2fs, however i've formatted the partitions again in ext4 and now retry the f2fs format via twrp
edit: however, after 2nd format in the end /data have 144 mb used, /system 110mb. so i suspect it's normal
minitool will only work right if your kernel supports f2fs and I doubt m$ware does right now.
and the fix din't get migrated from the overrides in thunderc to p500 yet, sorry, was a 'for fun' build to share after a recent repo sync.
this one probably has a built libcamera instead of the froyo as well. (reversion)