my phone use the sim anymore i need it to update the iphone but it says it needs internet or data even though i’m on my wifi
iPhone 7, iOS 15
Question marked as
See this Apple article: If you see No Service or Searching on your iPhone or iPad
If you see No Service or Searching on your iPhone or iPad - Apple Support
If you still don't have a 'service' after that, see -> iPhone 7 Repair Program for "No Service" Issues
iPhone 7 Repair Program for "No Service" Issues - Apple Support
Only if you have an iPhone 12 or 13 or SE 3rd gen with a 5G connection you can update over the 5G network.
Low Power Mode is On.
Charge the iPhone & wait until the battery is fully charged (100%).
The Low Power Mode will turned off automatically.