NOTIFICATION TONE

[kauket]

I HAVE PURCHASED XPERIA U. BUT I HAVE FACED NOTIFICATION TONE PROBLEM IN MY PHONE. THE TONE SOUND IN SILENT MODE SOMETIMES AND SOME TIME THE TONE NOT PLAY IN SOUND MODE AND PHONE NOT VIBERATE

[Johan]

What build number are you running on?

Have you tried to reinstall you software via SUS?

http://www.sonymobile.com/gb/tools/update-service/

Btw, your Caps lock is stuck.

[kauket]

SIR,

THR BUILD NUMBER IS 6.0.B.3.184.

I DOES NOT TRIED TO REINSTALL VIA SUS