REPRODUCIBILITY: 100 %
OS VERSION: 4.7.2
HARDWARE: Sony Xperia III
UI LANGUAGE: German
All calls over the phone network which go out or come in have no sound, no matter if the normal or the outside speaker is on. But the other side can hear you.
You can make normal calls via Telegramm, Whatsapp and Threema.
Installed 3 months ago. The phone worked without problems until yesterday when calling
- 2 x restart the phone
- make a call, or become a call no sound of the normal and the outside speaker
make a call with sound of the normal and the outside speaker
nothing installed or uninstalled in the last month
no idea how to log this, but with guidance I like to log.
Problem lay with the network operator O2