The most convenient and reliable way to replace your iPhone’s battery is to do it straight through Apple. Simply swap out your old battery for a brand new one. For an iPhone 15, this costs $99. For ...

If you try to replace the battery in your iPhone XR, iPhone XS, or iPhone XS Max by any means other than through an Apple Store or Apple Authorized Service Provider, you may see a message ...

iOS 18.1’s battery performance is generally stable, with most devices experiencing only minor battery life regression.