Soon after rolling out iOS 26, many iPhone users reported rapid battery drain and device overheating. Apple responded by confirming that these issues are expected immediately after a major update, thanks to background activities like reindexing, app updates, and system optimizations.
The company reassured users that battery performance should stabilize within a few days. New features in iOS 26—such as “Adaptive Power”—are designed to optimize battery usage by adjusting performance based on how the device is used.
