T-Mobile is reminding holdout Sprint customers to switch to a T-Mobile SIM card by May 1st or else - PhoneArena
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Official Tmobile-Sprint merger discussion thread - Page 320 - T-Mobile Merger/5G NR Deployment - S4GRU Sprint 4G Rollout Updates
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PSA: You need one small but very important thing to access T-Mobile's standalone 5G network - PhoneArena
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