T-Mobile: Go5G Next (3 lines) — $180 per month, was $230 T-Mobile is offering one of the best cell phone plan deals right now, with its Go5G unlimited bundles — part of T-Mobile’s 5G plans.

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A new year is the perfect time to make sure you've got the best cell phone plan for your needs — and if you don't, it's time to consider your options for getting more data at a lower monthly cost.