Charging issues become worse with iOS 7.1.2
I am having an iPhone 5S mobile and I was having issues with charging it. It was taking long time to get charged.
This week I saw the iOS7 update 7.1.2 and hence I thought it might help resolving my charging issues and I have installed it. Surprisingly, its charging issues become worse. This is charging intermittently or sometimes not at all, even though I connect the device to AC power all day. I have tried different ways by using an AC adapter, USB charger or car charger.
What is the problem with my iPhone? Thanks in advance!