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Recipient's getting echo on voice calls

(Topic created on: 07-10-2021 03:59 PM)
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Hazer
Student
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Sp I just recently upgraded to a new S21 from a Razer Phone 2 and been liking it so far.

Apart from on all voice calls the other person hears themselves all the time. I even tried on a second mobile and it's really bad.

After googling it seems its quite common, is there any fix for it? It can't be a carrier issue since its the same sim cars from previous phone and it happens on WhatsApp calls aswell
23 REPLIES 23
Huds
Journeyman
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Old thread but I still have echo issues on S21 Ultra,  but only when using an earpiece or Bluetooth headset,  never when using phone only. Tried the *#0283# test (many thanks to @AndrewL above for that suggestion). and this enabled me to solve one issue,  using the wired earpiece.  Turns out the usbC to 3.5mm adaptor was causing the echo,  and trying a different adapter results in no echo.  So at least I don't have to hold the phone to my ear for hours any more. 

Now to solve the echo problem with Bluetooth headsets & earbuds (I've tried a few). I'll share any useful findings. 

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JJbilbo
First Poster
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I changed my network Mode from 3g to 4g LTE/5G and this seems to work.

Huds
Journeyman
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Thanks for the idea. Mine is at 4g/5g, which is one reason I bought this phone. Therefore I won't even try throttling any features.
Jeff_C
Apprentice
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I had the same problem.

Turning off WiFi Calling fixed it. 

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