Apple’s iOS 26 update has caused increased battery drain for some iPhone users, as explained by the company. This issue is common after major OS updates.
- Increased battery drain is normal following a major OS update.
- iOS 26 offers a new Adaptive Power mode.
- Apple acknowledged temporary impact on battery life after updates.
- The Battery screen has been redesigned in iOS 26.
- Users can check battery performance comparisons in settings.
Apple clarified that after any update, especially a major release, users may notice a temporary impact on battery life and thermal performance. The device needs time to complete the setup in the background, which includes updating apps and indexing files.
According to Apple, “New features are exciting and help you get even more out of your Apple product, though some may require additional resources from the device.” Users can expect battery drain to lessen over time with future software updates.
Originally reported by www.zdnet.com as “iPhone battery worse after updating to iOS 26? Here’s why, and how I fixed it” on 2025-09-23 19:46:00.
