maybe their is a faulty with the battery of your phone replace phone battery with another phone with same phone model...if it works fine then just replace to a new battery....or else visit any phone technician to handle it for you.
Not able to power ON but it gets powerup when connected to computer When connected to computer it...
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Not able to power ON but it gets powerup when connected to computer When connected to computer it shows the batter charging but after few seconds it stops and shows full battery but as soon as i remove it from computer it goes to OFF.