You can invite someone to Signal using the "Invite Friends" menu in the app, which will send a text message or email.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not clear whether the team at Signal believes the maxim that ...

We hear Signal is in the news. As longtime fans of the app, and secure messaging more broadly, we feel like it's our duty at Engadget to ensure you know how to use the software properly. Signal is ...

Signal is a secure messaging app that encrypts all communication from end to end, making all data accessible only to the sender and recipient.

Instead, you need to open and register Signal on the new phone and select an iOS transfer. Then you use a QR code to connect the old and new iPhones and a transfer will begin. Be warned — that ...