Default Just not good :'(

guys my xperia v dropped in water and is not showing display anymore i was at the pool taking some shots under water an it was working fine , when i finished taking the shots and came out to dry the phone i opened the cover at this time water dropped in side the phone i took the battery off an tried to dry the phone with towel then turned it on again it vibrated an started but the screen was black all the time then it worked for a while but the touch wasn't responding then it worked , after an hour the phone turned off again and the screen went off i left it to dry for a long time in front of the fan , now my phone i working normally but without display i can take photos an answer calls an attach the phone to the PC and charge the phone but without the screen can anyone guys help me with my weird problem my phone is not rooted or unlocked boot-loader and is in the warrant