My iPhone loses battery too fast?

My iPhone loses it's battery way too fast. First it was 100 and after a little while I Checked it was 50% left o. O it's back also heats which I guess makes the battery lose fast… Please answer this question do I have to change the battery or what?

There are a few things that contribute to loss of battery life. First, I would suggest lowering the brightness on your iphone. Also, it could be what you are doing. You will find that if you're on the internet you will loose battery life far slower than if you were watching youtube videos.

Double click the home button and hold one of the apps until it shows the little minuses and delete all of them. These are your running tasks and they could contribute your battery life. Hope it helped!

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