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 ...

See also - Why Do Smartphones Get Slower Over Time? Consider accessing Facebook through your mobile browser instead of using ...

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.

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.

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.