T-Mobile is paying customers to swap out their Sprint SIM cards
You can now self activate t-mobile SIM to TNX program from Sprint.com website. I have successfully activated it on Samsung Galaxy A71 today using t-mobile R15 sim card. Download t-mobile App experience
6 WEEKS to SWAP Sprint for T-Mobile SIM Cards – C.D. REIMER
When you refuse to switch to T-Mobile, you start collecting their SIM cards like they're Pokemon cards. : r/Sprint
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Sprint Customer Gets Suspended After Ordering 5,100+ T-Mobile SIM Cards