iPhone 4 boots when plugged in but not when unplugged
One time my i was playing on my iphone 4 and it went black, it couldn't boot, I sent it to replace battery but when i got it, the phone said 1%, i charge it, it goes to 100%, disconnect it and it goes black and i plug it in and it says 1% again. The guy said it might be the dock connecter, please help, no phone is stressing me out, thank you.
Questa è una buona domanda?