Instead of letting all the apps connect to internet, is it possible to let selected apps connect to internet?

Hence my question how "turn on data" works?

  • 1
    Have you tried using "NoRoot Firewall" APK from Google Play?
    – M. A.
    Jul 3, 2022 at 19:43
  • (I did a long ago)Firewall drop/reject app basis requests. means app is constanly sending request which causes performance strain.
    – Tanzin
    Jul 4, 2022 at 5:45
  • 1
    Without modifying the app, I don't think there's a way to stop them from trying to send a request anyway.
    – Andrew T.
    Jul 4, 2022 at 12:05
  • Thats why trying to know how "turn on data" worKs. Perhaps, can get insight!
    – Tanzin
    Jul 4, 2022 at 16:54


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