• To avoid unexpected data usage, you can stop apps from updating automatically. Switch cellular data off completely so that your Apple iPhone 6S will only update apps over Wi-Fi.
  • 1. Touch Settings.
  • 2. Scroll to and touch App and iTunes Stores.
  • 3. Touch Updates to change the setting (e.g., from on to off).
  • 4. Automatic updates are now off.
    Touch Updates again to turn it on.
  • 5. To switch data off completely so that your Apple iPhone 6S will only update apps over Wi-Fi, touch Use Mobile Data.
  • 6. Data services are now off.
    Touch Use Mobile Data again to turn data services on.