Wi-Fi & Cellular Data Allows updates on any network. By default, the feature is enabled for both Wi-Fi and cellular data.
Maximize Battery Life by Managing Background App Refresh on iPhone
Wi-Fi Allows updates only when connected to Wi-Fi. While the name suggests a simple task of updating content in the background, it is a sophisticated system balancing performance, data usage, and user experience.
You might choose to disable the feature entirely to squeeze out every last minute of battery life, or you might curate the list to ensure only the most important apps are using resources in the background. From there, you can disable the feature globally or dive into the list of installed apps to disable them individually.
Maximize Battery Life by Managing Background App Refresh on iPhone
How Background App Refresh Actually Works At its core, Background App Refresh is a system service that iOS uses to update the content of apps when they are not actively in the foreground. The key is intentionality; by reviewing which apps have permission, you prevent background network activity from apps you rarely use, thereby freeing up bandwidth and processing power for your active workflows.
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