Are you tired of watching your old phone gather dust? Let’s be honest, it’s not doing anyone any favors sitting in a drawer like a relic from the past. Enter T-Mobile’s Trade In program, your ticket to a little extra cash and a shiny new device. In this guide, we’ll break down everything you need to know about trading in your phone with T-Mobile, from eligibility to promotions that’ll get your heart racing. Let’s dive right in.