Teracube 2e - I can no longer hear anything on voice calls

[Taurus]

Sounds like my issue:

[UNOFFICIAL BUILD] Sony Xperia XZ1 Compact (lilac) e-1.3-q Post #212

I just noticed that I have a call audio problem, and I don’t know how long it has been going on. I can’t hear call audio unless I activate the loudspeaker. VoLTE is working. Volume setting for calls is high. Phone at other end can hear me. Disabling tracker-blocker app has no effect on the issue. Audio works normally when using SIM card in different phone (which is running LineageOS). I’m currently on the 1.1 OTA, but as I don’t make or receive phone calls on this device very often, I’m not …