Several iPhone 17 users are reporting that their cellular connection drops unexpectedly, cycling between 5G, No Service, and SOS. This issue appears related to the modem firmware and can usually be ...

If cellular data will not connect, apps have no internet away from Wi-Fi, or LTE/5G stops working on your iPhone 16 after the iOS 26.1 update, this is usually tied to a settings conflict, an ...

The "could not activate cellular data network" error means your iPhone won't be able to use the mobile data you're paying for. Fixing it likely entails turning the ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...