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What kind of phones work on Ultra Mobile?

Ultra Mobile offers customers the choice to bring their own unlocked compatible device. In order for your device to work with Ultra Mobile, you’ll need an unlocked GSM phone that supports one or more of the following frequencies:

  • 1700/2100 MHz (3G / 4G or LTE depending on location)
  • 1900 MHz (2G or 3G / 4G depending on location)
  • 850 MHz (2G)

Customers looking for the best experience should own a device that supports the 1700/2100 MHz frequency. Having this frequency will ensure that you get the fastest possible data speeds on the Ultra Mobile nationwide network. 

If your phone supports 1900 MHz, you’ll be able to get 3G/4G data speeds in most parts of the country, but not nationwide.

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