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To use our network, you will 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)

For the best experience, you should get a phone that supports the 1700/2100 MHz frequency. This will ensure that you get the fastest possible data speeds on our nationwide network.
If your phone supports 1900 MHz, you’ll be able to get 3G/4G data speeds in some parts of the country, but not nationwide.
If you only need voice, text, and our slowest data speed, you may use a device that supports 850MHz but none of the other frequencies listed above.
Most US phones are sold as tri-band or quad-band phones that include one or more of the frequencies above.