I cannect the charger my phone,I see that it light always open and charging my phone.First 15% down red light and 15% up green light.When I disconnect charger the phone is on and off.Then the sony phone open I see it's write just sony.Then it's shutdown .Otherwise it's do not completly open.So I can't understand.What is problem.What can I do it.Please solution me.Plz help me.