Quote:
Originally Posted by jocampo
Well...
That's not my case.
I usually end my day with 40% or more and by 3pm CST my cellphone had about 20% battery. It was so bad that I actually had to turn it off so I can use it for an important phone call that I had to make by 5pm, few hours laters.
By 6pm it was dead!
I am re-charging it right now but I am really disappointed. One of the reason why I bought my iPhone 5 few months ago, after having a Galaxy SII, it because wanted better battery life. I'm on call all the time and battery life is key for me.
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As I mentioned, I think battery life improves when parallax backgrounds are turned off. You can also go into Settings > General > Background App Refresh and check if you have a ton of apps loading data. These can be checked on or off.
Another thing that can help battery life is performing a recalibration once every few months: drain the phone completely until it shuts itself off, then plug it in and let it charge to 100% uninterrupted.
Beyond that, you can flash your device (restoring without backup) but this is a bit of a pain.
Lastly, since you bought your phone less than a year ago it's still under warranty. If you can demonstrate that you're getting battery life that's consistently worse than what you were promised, you can take it back to the Apple store and ask for a replacement.