WTA iPhone 4S user here,
I am facing issue of sometimes when my iPhone left roughly 20-30% then for when I use it for example camera then it will switch off immediately,
then when I try to switch it on, it requires me to recharge my iPhone,
once it is being plugged to the adapter immediately it shows my phone is charging at 20-30% instead of completely drained out 1%,
any idea how to solve this issue?
Thanks in advance