T Mobile Deals For Existing Customers 2024 Dates. You can get it for free (up to $1,000 off) when you add a line on its go5g plus or go5g. The deal is similar to past offers and applies to users who activated their service on or before april 9.

The deal is similar to past offers and applies to users who activated their service on or before april 9. Compare plans, save on devices, and get free upgrades, credits, and benefits when you switch or add a line.