Hi,
I was hoping someone can help me figure out, why I can receive SMS, but cannot send them.
When sending an SMS, it fails with error code 255.
Everything else works: MMS both ways, VoLTE, etc.
I have tried some APN settings, but that bricked VoLTE for whatever reason and i hat to reset my APN.
The Carrier is "drei" in Austria.
Can anybody please lead me to a clue why it doesn't work?