My phones battery dies really fast?

I have an iphone XR and it literally dies in like one hour and i got it december, it used to last 10 hours now it dies quickly, what do i do

Put your phone in the freezer for 6 or so hours the cold will bring it back to 100%

Buy another battery

Go to Settings > Battery and check your battery health. It will show which apps have used your battery recently and how much.

Disable background apps and notifications for apps you don't use, or uninstall them.

If all else fails, you can try to reset your phone via Settings > General > Reset > Erase Content & Settings to take it back to factory settings.

If the phone's battery is still failing to hold a charge then it may need be serviced.

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