Question: how to fix your iphone battery life?
Answer: Push Mail. ... 
Turn Off Unnecessary Location Services. ... 
Don't Send iPhone Analytics (Diagnostics & Usage Data) ... 
Close Out Your Apps. ... 
Notifications: Only Use The Ones You Need. ... 
Turn Off The Widgets You Don't Use. ... 
Turn Off Your Phone Once A Week (The Right Way) ... 
Background App Refresh.