My bootloader md5 after flashing 3.7.58 on an uap ac pro is
BusyBox v1.19.4 (2017-05-08 10:00:47 PDT) built-in shell (ash)
Enter 'help' for a list of built-in commands.
BZ.v3.7.58# cat /dev/mtd0 | md5sum
df0445b99027d4286e8d8ee63d43ca4b -
instead of 88f66a79f671383eda6512d29aa1b804
which is mentioned in the toh.
An identical device with the previous official firmware shows a different checksum, so im 100% sure that it downgraded correctly.
Can someone confirm this?
Edit:
I confirmed it myself, my device works correctly and the wiki is most likely wrong.