I had switches off my iPhone 5 at around 20 percent battery next morning I was not able to switch it on. I tried to get it charged but it didn't showed any sign of charging even when plugged in for about 2 hours. I had to take it to apple care centre but they refused to repair it after confirming the problem with the device as it was out of warranty and asked me to get it replaced for INR 22500. I got it repaired outside but after that also if I switch it off in the same situation it again happens and I have to take it for repair it has happened 3 times after that. Is it a inherent problem in iPhone that it uses battery even when switched off and if in that case battery drain out then refuse to get charged because this is the scenario i have experienced every time?