Tap on "Background App Refresh" (should be under "iPhone Storage"). 4. Tap "Background App Refresh" which will likely be "On." 5. You can either turn it to "Wi-Fi" (which will save cellular data ...

How to turn a cellular connection on and off on an ... How to check your Apple Watch's cellular data usage on an iPhone 1. Open the Watch app for iPhone. 2. Tap the My Watch tab.