echoing problem

[sirsendy]

during a voice call who attend my call his sound is echoing

[sirsendy]

it's a very different problem plz help me

[Ishwinder]

have u applied any skin or lamination on the back?

[sirsendy]

no

[Ishwinder]

u must try to change the sim n then
try if it still isn't solved then u must get ur phone checked by derive centre

[sirsendy]

ya

[admin_]

Thank you for your query. The relevant department may serve you better/speedily, if you can provide logs/video by registering this feedback in Error Section (Samsung Members App -> Feedback -> Questions/Errors -> Create -> Error reports).