Here’s how to replace the iPhone’s battery and restore power to your iPhone.

How to Check iPhone Battery Health

On an iPhone 6 or later running iOS 11.3 or later you can check your battery’s health and see its reported condition. If it has extensive wear, it will indicate a new battery is advisable.

Using Apple’s Battery Replacement Service

If you have any inclination your iPhone needs a new battery you can take it to Apple to have them replace it. For the entirety of 2018, the cost will be cheaper for most iPhones. To start the process of having Apple replace the iPhone battery, visit this Apple Support page, then select Start a battery replacement. You’ll be prompted to log in with your Apple ID before following the localized instructions. If you’re covered by a warranty or have AppleCare+, a battery replacement is free for all phone models.

How to Perform an iPhone Battery Replacement Yourself

If you’re so inclined, you can replace the battery yourself, which usually takes anywhere from 30 minutes to 2 hours, based on your experience with the iPhone hardware.  iPhones use lithium-ion batteries, which are traditionally a unique size and shape for each phone. Despite largely staying the same physical shape for two years in a row, the internal components have shifted around over the years. If you’re attempting to replace the battery yourself, there are some things you should know ahead of time. How to plan ahead for your DIY battery swap

Finding the Right Tools, Battery, and Instructions

Once you’re ready to replace your own battery, research the recommended tools and battery options for each phone individually, as they’re all slightly unique. iPhone Battery Replacement Steps Overview As you begin the iPhone battery replacement, these are the key areas you’ll encounter.