Essentially, Digits unties your phone number from a single phone and instead lets you log in to your number using almost any device running iOS, Android, Windows or macOS. Digits is already built into some recent phones, such as the Samsung Galaxy S6 and S7. If you don’t own one of those, there are apps you can use that let Digits users sign into their phone number on handsets from other carriers, including Verizon and AT&T.



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