BloodLust wrote:
Well, the...(恕刪)
turn auto-sync off?
https://support.google.com/playedition/answer/2819524?hl=en
When auto-sync is on, your Google apps automatically refresh data, and your device gets notifications about updates.
You can use less data by turning off auto-sync. If you do this, you'll need to sync your apps manually.
Learn how to turn off auto-sync and sync manually.