When you are too fast during the lock/unlocking of the phone it will show the black
locker is broken and unlocking is not possible.
I already have auto-lock disabled which makes this appear less but it still happens quite often when I press the hardware screen on/off button too fast in succession.
sddm is not enough - you need to reboot the phone.
sddm restart the phone is stuck at an init console screen which includes the following errors (not sure if these are even related):
thremal_sys: Failed to find `trips` node lima 1c400000.gpu: error -ENODEV: _opp_set_regulators: no regulator (mail) found pinephone-keyboard: 2-0015: error -NXIO: Failed to read device ID
This issue has persistent for months now.
I am running the “Beta Edition” and with the latest updates (including Plasma 5.26) installed.