I have a iphone 5 for over 3yrs and the battery runs out fast.
I have a iphone 5 for over 3yrs and the battery runs out fast even if on the screen says i have 60% or 90% battery still runs out battery and turns off.
What troubleshooting have you tried? User troubleshooting includes restart, reset, restore from backup, restore as new. Also, the iPhone 5 has a battery program for qualifying devices. https://www.apple.com/support/iphone5-battery/ and you can also make an appointment at the Genius Bar of he nearest Apple Store to have the battery tested.
