vibration problem

[mmss]

i bought the phone 4 months ago and latley it started to vibrate in a strange way and today it doesnt vibrate at all

doing every thing related and nothing

what i can do

[_alexdon_]

You should have it checked at a sony service:

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

[mmss]

I did sent an email and waiting for reply
Will inform u back about updates

[_alexdon_]

Good.