Apple has issued a warning to iPhone users who installed the iOS 26 update. The company stated that major updates may have a “temporary” impact on the device’s battery life, which is normal.

iOS 26 may affect charging performance

Apple states that this occurs because the installation process for new updates requires background processes such as indexing data and files, downloading new items, and updating apps.

The company’s statement states that a temporary impact on battery life and thermal performance may be noticed, especially immediately after a major version update. It states that this is normal because the device needs time to complete these background installation processes.

It also notes that new features may require some additional resources, which may slightly impact performance or battery life.

Apple adds that these features are continuously optimized in software updates to ensure excellent battery life and a seamless user experience. The company’s statement stands out as a general support document applicable not only to iOS 26 but to all iOS and iPadOS software updates.

According to the company’s support document, it’s also normal for users to experience device heating and rapid battery drain during the update process.

This is due to the device’s extensive processing power required to integrate the new software and is considered a temporary process. Apple states that the device will return to normal performance and battery life after the installation of such major updates is complete.