What's your screen brightness? That could probably be the problem. Mine is at 45% with normal to heavy usage ( a lot of internet browsing, my iTunes music, Spotify, phone and Facetime use, checking emails constantly. I don't play games a lot and I don't play videos much either. Is that usage time always what you get? Or sometimes have been better? This was just now, over 2 hours of heavy internet use and music streaming.
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I'm usually around 30%... However my cell signal in my area isn't too great.. Majority of the area is 3 bars or less, not too horrible but not great if you know what I'm getting at. If you know how the whole "Field Test" numbers work for cell signal, my house ranges from -110 to -118, even though the actual quality isn't that horrible. If I need to use LTE for a small period of time it works fine, and call quality is fine. So yeah. "Low Signal" usually doesn't show on my battery usage list anyway. Usually on wifi at my house though.
My average usage time before the phone dies is 5 and a half hours. First 20% lasts to make it look like I'm going to get 9 hours, (I'm at 1 hour and 21 minutes at 90%! I also once saw 57 minutes of usage at 97%, but then it began dropping like a stone, as expected.) but then it drains faster and faster and faster as it approaches 0%.
I usually use my phone for checking Twitter, Instagram, Snapchat, Facebook. Internet is also a biggie. Sometimes texting is thrown in, but not much. I don't do too much of everything though, just brief hits around all of those typically.
Oh, another thing I've noticed. Messages is almost always around 5 percent on the battery usage list, with "Background Activity" listed below. Why? My iPad which is connected via text message forwarding and the same Apple ID for iMessage never shows this.
It isn't that my battery drains while I'm not using it (used to be the case but it was fixed with an iOS update) it's just that it drains abnormally quick while I use it. I can do the same things, if not, more intensive things on my iPad mini 2 and easily get 2+ extra hours of usage, with more battery intensive settings enabled. I may try a fresh install though for a couple days and see how things are, and if it's the same just restore from a backup. (Will App Data and logins be lost, or will it literally be as my phone was before the restore?)
Location services is stripped down to only "While Using" or none.
Mail is set to manual.
I keep auto brightness off because it often makes the screen too bright, lowering battery life even more.
Background App Refresh is disabled.
This obviously isn't something that will improve battery life, but bluetooth is always on because handoff and such doesn't work between my iPad and iPhone otherwise, for whatever reason.
Any other tips?
