Slow performance and voice muted

[Jack19]

Worst experience in latest update nougat 7.0 mobile performance is very slow and voice muted automatically pls update software and fix all issues 

[CameronT]

GHi @Jack19, Welcome to the community. I am sorry to hear about this  

If you experience issues after performing a software update I recommend you perform a software repair using Xperia Companion.

[Maharshi1]

To many times done it and one time update it from service center but the problem is same.

[Jack19]

I had already done it twice bt problem continues marshmallow was too good as compared to nougat pls fix n develope stable version pls upgrade to 7.1