You can't change your phone number in the Signal app directly, but you can deregister your old number and then update the app ...

You can easily check your Wi-Fi signal's strength, right down to the exact dBm levels, on a Mac or PC computer.

Turning your phone's connection off and then back on is the quickest and easiest way to try and fix your signal woes. If you're moving around from one location to another, toggling Airplane mode ...

Some strategies on how to best use Signal to keep your messaging secure. Some strategies on how to best use Signal to keep your messaging secure. is a senior science reporter covering energy and the ...