Phone Compatibility in USA
All smartphones purchased outside United-States may not be fully compatible due to different supported bands / frequencies.
This is the reason it is important to check its compatibility.
You will need to know the exact variant of your phone.
Note that even if your phone is compatible, it always need to be unlocked to be used with any carrier.

How to check compatibility?
Get your bands / frequencies: gsmarena.com
Your smartphone variant need to support the maximum number of Frequencies to maximize its compatibility.
All bands in 4G LTE & Extended Range 4G LTE are the minimum required.
Technology | Frequencies |
---|---|
5GUC (Ultra Capacity 5G) |
Band n2 / n25 (1900MHz) Band n41 (2.5 GHz) Band n258 (24 GHz) Band n260 (39 GHz) Band n261 (28 GHz) |
5G (Extended Range 5G) | Band n71 (600 MHz) |
4G LTE |
Band 5 (850 MHz) Band 4 (1700/2100 MHz) Band 66 (Extension of band 4 on 1700/2100 MHz). |
Extended Range 4G LTE |
Band 12 (700 MHz) Band 71 (600 MHz) |
2G | Band 2 (1900 MHz) |
Your smartphone variant need to support the maximum number of Frequencies to maximize its compatibility.
Your device also need to be approved by A&T. Download the .pdf document to check further.
Technology | Frequencies |
---|---|
5G NR |
Band n5 (850MHz) Band n77 (3700 MHz) Band n260 (mmWave 39 GHz) Band n2 (1900 MHz) Band n66 (1700/2100 MHz) Band n261 (mmWave 28 GHz) |
4G LTE |
Band 2 (1900 MHz) Band 4 (1700/2100 MHz) Band 17 (700 MHz) Band 30 (2300 MHz) Band 5 (850 MHz) Band 12 (700 MHz ac) Band 14 (700 MHz PS) Band 29 (700 MHz de) Band 46 (TD 5900 MHz) Band 48 (TD 3600 MHz) Band 66 (1700/2100 MHz) |
No Compatibility?
There is always a small chance of an error or false positive.
Don’t hesitate to reach us by chat or email with your brand and exact phone model or IMEI so we can double check the compatibility.