Question: how to save phone battery?
Answer: Turn Down the Brightness. One of the easiest ways to prolong your battery life is to turn down the screen brightness. ... 
Mind Your Apps. ... 
Download a Battery Saving App. ... 
Turn Off the Wi-Fi Connection. ... 
Turn on Airplane Mode. ... 
Lose the Location Services. ... 
Fetch Your Own Email. ... 
Reduce Push Notifications for Apps.