One bar iPhone 13
Why Do I suddenly only have one bar on my iPhone 13
iPhone 13 mini, iOS 15
Question marked as
Try first to optimize the range of the mobile network, 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
Contact your carrier
Issues with your carrier or account might affect your service. Contact your carrier to:
- Verify that your account is active and in good standing.
- Make sure that there are no outages in your area.
- Check that your device isn't blocked from receiving cellular services and is set up with the right data plan.
Get more help
If your carrier confirms that there's no issue with your account or network, but you still can't connect to a cellular network, contact Apple Support.