[tuntai]

when i on the set lcd ok outgoing incoming ok after 30 to 40 minutes lcd white but outgoing incoming ok. then i off the set and again on showing lcd white outgoing incoming ok. i off the set. after 3 to 4 hour again on the set lcd ok outgoing incoming ok after 30 to 40 minutes same lcd white. after 3 to 4 hour again on the set lcd ok outgoing incoming ok. after 30 to 40 minutes same lcd white. what is the problem? any solution plz hep m e