The cellular models of the iPad AIr 2 and the iPad mini 3 come ready to work on most of the major wireless networks. Thanks to the Apple SIM, you can even setup AT&T, Sprint, and T-Mobile ?*and switch between Spring and T-Mobile ? right on your iPad. (Verizon requires its own specific model and SIM.) If you're trying to decide which carrier is right for you, there are several factors you'll need to consider, including coverage, cost, and quality.
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