Pinephone as USB-device

I need to get back on topic in

because the conditions are possibly different,
my system:

Operating System: Manjaro Linux
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.95.0
Qt Version: 5.15.5
Kernel Version: 5.17.15-1-MANJARO (64-bit)
Graphics Platform: X11
Processors: 4 × Intel® Core™ i5-7200U CPU @ 2.50GHz
Memory: 15.4 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 620

The Pinephone is no longer displayed, although it was still possible a few weeks ago.
It doesn’t matter what OS I use on the phone.
On a Debian PC, the message says: ‘An MTP device cannot be displayed’.
I ask for help,