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 ...

If there were a single, signature issue of living in the modern age, it's contending with a lousy smartphone signal. There are few things as existentially frustrating as trying to make a call or look ...

Unlike our phones, the SIM cards that connect them to a network have barely evolved over the last decade or so. This can sometimes mean you'll have trouble connecting to a network, even when the phone ...