To use your existing phone number on a new phone you download the digits app from your app store. With proxy by digits, you can have multiple numbers on. You can also access extra.
TMobile Digits Plan YouTube
Tmobile Digits Plan 's Unlimited Data Explained
There‘s no need to juggle sim cards or manage multiple. At&t late last year announced a service called numbersync that lets customers link their primary mobile number to all of their connected devices.
