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 ...

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 ...

iPhone users have reported that their device is stuck on “SOS mode,” preventing them from making calls or sending text messages amid a major cell phone outage Thursday affecting thousands of users ...

The iPhone 15 relies on your carrier’s SIM card to connect to cellular networks. A “No SIM Card Detected” error indicates a disruption in this essential process ...

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 ...