There sizzle in the top speakers

[gamilo]

top sizzle

[Phy]

You should probably contact Sony Xperia Support.

http://www.sonymobile.com/global-en/support/contact-us/

[gamilo]

never had contact with water

[gamilo]

I repair unacceptable you think

[Uliwooly]

If I was you, I would contact my local Xperia Care and get it checked, also request a vacuum test. 

[gamilo]

If I had the opportunity to go to sony board

[gamilo]

poor turkey repair service

[Uliwooly]

There isn't much I can suggest as you need to get your phone checked 

[gamilo]

TeleService bad

[Uliwooly]

But at least you will know what's the issue.

[gamilo]

I got very hurt twice z2