1. McMuffin80's Avatar
    I have a 2,5 year old Samsung S9+ that half year ago started acting up on me.

    2/3 of the times when people call me they cannot hear me in the phone but I can hear them clearly. However it works EVERY time I call them up, therefore It would strike med off if it was a hardware issue.

    I have tried this so far:

    1. Shutting the phone off and on again.
    2. With help of cellphone provider I have reset their settings on it
    3. Made sure wifi calling was off on it
    4. Updated the phone to newest software version
    5. Ordered and tried with new sim card
    6. Swapped sim card into other phone (samsung mini) and there was no problems there.

    Does anyone have ANY idea what might be the issue? I dont think it is software related, since it would affect a lot of people, so maybe it is app related? I tried deleting 10 apps or so on the phone, thinking it might be apps that use microphone, that might cause problems (deleted whatsapp for example), but no luck. Still a lot of apps on the phone so might be something I have overlooked.

    It doesn't seem like it is a certain model of phone from caller that is the issue. It is all types of phones calling me where I 2/3 of the time cannot hear them.

    I currently have android version 10 on my phone.

    The only thing left to try is a complete factory reset of the phone, but before I try that, I was hoping that you guys might already know if it might be app or phone related.


    04-24-2021 05:05 AM
  2. mustang7757's Avatar
    Hi, welcome to AC!

    You try clearing the microphones on the device?
    BerryBubbles likes this.
    04-24-2021 12:03 PM
  3. BerryBubbles's Avatar
    Hi! At the s9 series release date, I bought a locked T-mobile s9+ & my husband purchased a locked Tmobile s9. His phone never had any problems.

    From day one, my phone had horrible call quality. I experienced sound like I was in a tunnel, calls going in & out, static. It wasn't just me. Some members on XDA were keeping lists of what country people were in, along with which carrier & firmware. Antenna issues, they surmised. As updates were released, there were improvements. My call quality became better but not great. This was over a nine month period.

    During this time, I realized I had a simular problem to what you described. People would call, I couldn't hear them. But they could hear me running around yelling 'Can you hear me now?' I'd call back, we could hear each other. So embarrassing for me, so annoying to them.

    I tried resetting the network, switching sims, wiping the cache partiton, cleaning the ports, toggling wifi & wifi calling on & off. However, I can't honestly remember if I did a factory reset.

    I should have returned the phone the first week I owned it, but after fighting with it for 2 1/2 years, I finally bought the Note 20U in August.

    I know the above story doesn't help. I think it's hardware related, but again, I can't remember if I initiated a factory reset. It`s worth a try. I really hope you find a solution. Outside of the call issues, I thought the s9+ was a great device.
    mustang7757 likes this.
    04-24-2021 04:24 PM
  4. B. Diddy's Avatar
    Welcome to Android Central! Does it also happen in Safe Mode? https://www.t-mobile.com/support/dev...20device%20off.
    BerryBubbles likes this.
    04-24-2021 05:37 PM

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