Mic issue faced

[Usmanmir]

 Can anyone here tell me what's wrong with my Phone A71, whenever I try to talk someone, my mic doesn't work and I have to restart then it works. After some time it happens again. 

[Saadi77]

you see your phone protector cover your mic

[Usmanmir]

brother I don't use protector cover.

[Malik0268]

see that if upper mic which is located on the top side of mobile is covered with any gel paper etc..

[Usmanmir]

no, its not covered. I have just checked it.