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 setting off and back on to establish ...

Stephanie Barnes has been writing about technology for almost a decade. She fell in love with tech after building her first PC as a little girl. She later followed that passion to become a ...

My mother has been teaching college for more than 30 years. She used to get phone service through Sprint (which was acquired by T-Mobile in 2020). Her phone service was so bad, she once threatened ...

The latest version of the iOS 9 beta has brought some goodies, among them the new Wi-Fi Assist feature, which will recognize bad Wi-Fi connections, and use cellular ...

Have you ever watched your iPhone attempt to load a webpage with a poor Wi-Fi connection, and wondered why it doesn’t just switch to 3G automatically? In currently iOS releases, your device can’t do ...