Needless to say, a “mobile network not available” message — or some alternative version of it — is a major problem on a smartphone, since the whole point is to make calls and access the internet away ...

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Wi-Fi can easily serve as a backup for your cellular network for calling and texting, especially if you find yourself without signal. Mike Sorrentino is a Senior Editor for Mobile, covering phones, ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

Discover how Wi-Fi calling works behind the scenes. Learn how secure ePDG gateways and cryptographic IPSec tunnels route your ...

ESIM technology will become foundational as enterprises expand IoT ecosystems July 03, 2026 Have your say As enterprises ...

Posts from this topic will be added to your daily email digest and your homepage feed. is a news writer focused on creative industries, computing, and internet culture. Jess started her career at ...

If you were using mobile phones before they became as smart as they are today, you probably remember seeing this E in older ...

A new feature from AT&T is both inclusive and particular: it’s only for iPad users but works regardless of who your carrier is.