T-Mobile is not only the fastest-growing of the big three carriers, it’s also the most affordable of the big three. That said, the gap isn’t as big as it used to be, but the good news is that there are plenty of solid T-Mobile deals that can still make it worth the switch. Whether you’re a new or existing customer, you’ll find trade-in offers, free device promos, and even occasionally free or heavily discounted lines.

Below, we’ve rounded up the top promotions available heading into October of 2025 for phones, tablets, and smartwatches. While many of these offers might be similar to last month’s promotions, there are a few changes, including better offers on the iPhone 17 and a few other shifts.

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