Don't forget to revoke app permissions that might be abusing your data and turn on data-saver mode as a last resort. 7 reasons why certain Android apps consume significantly more background data ...

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Background App Refresh consumes both battery power and data. When apps refresh in the background, they use your phone's resources, including the processor, network, and battery.

Disable background data for apps you rarely use by navigating to the app settings or your phone’s data usage menu. Turn off data sharing for personalized ads and diagnostics in Google settings.

Though app-specific restrictions on battery usage are the most likely culprit for music and podcast apps crashing during background playback on Android, it's not the only possibility.

Navigate to the "Mobile Data" section and turn off "Allow Background Data Usage." This will prevent the app from using data in the background.

Some apps may even prefetch content in the background by downloading the data ahead of time (before a user requests it). However, data syncing may contribute more to background activity.