BlackBerry Passport Factory Unlocked Cellphone, International Version, 32GB, Black Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin. Touch-enabled QWERTY keyboard. Additional Middle Eastern characters on keyboard allows for Middle Eastern characters to be typed Wide Touchscreen 4.5inch Display More ways to access Apps with the Amazon AppStore. Uses Blackberry OS. BlackBerry Blend - the power of BlackBerry on your computer or tablet Network Compatibility: BlackBerry Passport supports the following US network bands: FD-LTE: 2,4,5,17 HSPA +: 1,2,4,5/6, 8, EDGE Although FD-LTE coverage is fairly wide-spread across the US, we recommend checking the coverage map of your service provider to ensure the best possible experience. Minimum Rated Standby Time: 432hrs Hearing Aid Compatibility (HAC) Rating: M4 Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.