I've had my iphone 6 for about a year now and I notice that my battery dies very quickly. Does t-mobile offer a battery replacement service or do i have to get it replaced at an apple store?
This is normally due to having apps that run in the background. Have you tried to eliminate some of the apps that do stuff behind your back, like Facebook?
If the battery is going bad, you probably need to have it replaced by a qualified technician.
Retrieving data ...