Why does my iphone keep on losing battery while on standby?

Why does my iphone keep on losing battery while on standby? - 1

Standby means the phone is on but the screen is off. It uses a lot less power than if the screen was on, but it still runs down the battery.

Have a read here it should help http://appinstructor.com/blog/2014/the-ultimate-guide-to-solving-ios-battery-drain

The new update has destroyed everyone's battery life

All phones do that. All battery powered devices do that as a matter of fact.

Battery might be going bad. Does it die quicker than it used to?

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