HTC sell at media markt Germany. I thing best prices till now?
Your firmware is not fully compatible with the rom, I assume You flashed just the rom on the marshmallow, not flashing the firmware, had the same problem this week and got it solved. Do as I did:
Here is the last Nougat RUU
That's completely up to you to decide I can only say that without a working radio their won't be much fun unless you enjoy the silence:good:
For f..CK sake .....
Of course, but i wanna know another way to rome, if possible :cowboy::angel:
APK files on sdcard disappearing after some time (some os before oreo), i think this is google scanning for it?
They don't disappearing ,proppably you deleting apks ...