If you have an unlocked phone, you can simply order a T-Mobile SIM card or activate via eSIM to join the network.
Sites like Swappa or Back Market may list "Sprint" phones. These are often older models. buy sprint cell phones
You might still see "Sprint" listed on secondary markets, but there are technical limitations: If you have an unlocked phone, you can
Since officially merged with T-Mobile in 2020, you can no longer buy a phone from Sprint as an independent company. However, you can still purchase devices and plans through the unified T-Mobile brand. 📱 Current Buying Landscape If you have an unlocked phone