You typically receive the virtual card via text message within 15 days of your submission being approved.

You must provide a PDF of your most recent bill from your old carrier showing your phone number, device model, and the exact remaining balance.

AT&T, Verizon, Spectrum, Xfinity, Liberty, Claro, and UScellular.

The card can be used anywhere Mastercard is accepted, but it generally expires in 6 months, so don't sit on it. Is There a Catch? Switch to T-Mobile from Verizon or AT&T & Bring Your Phone

If you are using Keep and Switch , you must ask your current carrier to unlock the device before you port your number to T-Mobile. How You Get Paid