display problem

[karthik771]

i own a xperia m dual and its hardly a month since i bought a phone and now it seems there is a problem with display... the problem is display flickers and goess off. i lock the phone and unlock it ..sometimes only blank screen is displayed or else heavy flickering takes place in the screen and goes blank? have any experienced a problem? if so whats the cause of the problem? help me out someone

[Alexander1]

Try to start phone in safe mode to see if the problem can be related to any 3rd party apps you have installed in your phone: 

http://talk.sonymobile.com/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008

If the problem persists in safe mode I suggest that you repair the phone software using PC Companion:

http://www.sonymobile.com/update

In PC Companion, press start on Support Zone > Start on Update the phones software > "Repair phone".