In an emergency, some Android phones can use satellites to send texts instead of cell networks. For non-emergencies, Wi-Fi ...

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, ...

Peer-to-peer messaging apps work without the internet by connecting phones directly. Briar is a useful app for offline messaging, especially in remote areas or emergencies. Setting up Briar requires ...

You can use Wi-Fi calling on your Android or iPhone to make calls using Wi-Fi rather than your cellular network.