BlackBerry Z10 Unlocked Cellphone, 16GB, Black BLACK Blackberry Z10 Unlocked 16GB Latest Model 4.2" Multitouch display - ~ 335pixel density 8MP Camera - Autofucos, LED Flash, GEO-Tagging HDR Blackberry OS 10 4G LTE - 3G - WiFi - Bluetooth 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.