Why did my iphone 4s battery is going down so quickly?

Why did my iphone 4s battery is going down so quickly?

Depends on your use and how old the phone is. How quickly does the battery lose its charge? 1hr or 2hrs after complete 100% charge?

It most likely is on its way out. The 4S is a few years old now so that is most likely the problem, only way to resolve this is for a battery replacement

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