Calls stuck on speakerphone after Android 11 update

Help Fairphone 3
25

I may have fixed it.

I have an SD card, US SIM card (T-Mobile) and Canada SIM card (Public Mobile/Telus). Before doing any resets, I tried every configuration of SD Card, SIM 1, SIM 2, with no success

  1. Did a factory reset.
  2. Restored my backup and inserted SD card.
  3. Tried the original configuration (SIM1: TMO, SIM2: Public). Still only speakerphone
  4. SIM1: Empty, SIM2: Public; Calls went back to normal! Inbound, outbound, whatsapp, all worked normally.
  5. SIM1: Empty, SIM2: TMO; Calls still normal
  6. SIM1: Public, SIM2: TMO; Calls still normal
  7. Just to replicate, went back to original configuration (SIM1: TMO, SIM2: Public), Speakerphone only again
  8. Went back to #6 configuration (SIM1: Public, SIM2: TMO); Calls went back to normal again.

So I’ll leave it in this configuration. I will update this thread if it anything changes.

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