Having the phone at the ear, screen switches between on and off

[Razem]

@Nicoglycerin

I’m wondering If this is a reason to return the phone and get my money back, because this is already the second bug in a very short time, which interrupts making phone calls.

That depends entirely on you. Yeah, it sucks, but as a workaround, you can press the power button. That way the screen remains completely off.

@Nicoglycerin

I’m also having the problem, that people can’t understand me, as if a tovel is lying on the mic. Last time the support wanted me to check and do so many complicated things, that I gave up.

Related issue:

Call quality and noise cancellation (regular calls, handsfree, Signal voice messages, Microsoft Teams video calls)

I noticed that the call quality of the other end of the connection is not great (using 4G and WiFi calling, all not great). The voice quality send by the Fairphone is a bit robotic and includes some digital noise and too much noise of the surrounding environment. It’s usable, but it’s noticeable of low quality. This is in particular a problem with (video) calls when the loudspeaker is on. When the person on the other end talks, there is a clicking sound because of an echo feedback loop. Using S…

Can you please run the audio test? (You can find it at the same place as the proximity sensor test.) Do all microphones work? There are a few things you can try:

1. Make sure that your hand doesn’t cover any of the mics during the call. 1st one is located at the bottom, 2nd one at the top and 3rd one on the left one (that’s the most tricky one).
2. Do you have VoLTE (Settings → Network and Internet → Mobile network → VoLTE) and VoWiFi (Settings → Network and Internet → Mobile network → Advanced → Wi-Fi calling) enabled? It usually dramatically improves voice clarity.
3. You can try disabling the microphone permission for the Google app. I’m not sure if it’s still a thing but it used to interfere with phone calls.