Bad voice quality with dual sim Mi9 Pro 5G

[bchristopeit]

Hey,

could someone tell me why I have a bad voice quality with the second sim card? If I check with Network Cell Info Lite I got:

SIM1: LTE Swisscom -98dbm 16.4 RSSNR, db and RSRQ, -9db
SIM2: LTE Swisscom -98dbm 42 ASU, RSRQ, -9

For me the other site sounds normal but if I speak it must be pretty bad. If I am using SIM1 everything is fine.

Any ideas?

Thanks

 

[Aladdin123]

Did u try to swap sim cards with its slots ??

Sent from my Mi9 Pro 5G using Tapatalk

 

[bchristopeit]

No. I will try.