Huawei Ascend Mate 7 Factory Unlocked Cellphone, 16GB, White Internal Memory: 16GB, 2GB RAM + microSD Slot Expandable up to 128GB. This device is Carrier-unlocked and may be used with any GSM carrier that uses a frequency or band that this device supports. A SIM card and service plan must be purchased separately. Unlocked GSM phones will not work with CDMA networks like Boost, Sprint or Verizon. 13 Megapixel Camera (4128 x 3096 pixels) w/ Autofocus, LED Flash + Front-Facing 5 Megapixel Camera. 6&quot; IPS LCD Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 3. Android v4.4 (KitKat), Quad-Core 1.8 GHz Cortex-A15 &amp; Quad-Core 1.3 GHz Cortex-A7 Processor, Chipset: HiSilicon Kirin 925, Mali-T628 Graphics IMPORTANT NOTE : Please download the manual below the product descriptoin to know the complete functionality of the product LTE FDD Band 1/2/3/4/5/7/8/20/28 (Aphase) LTE TDD Band 40 UMTS 850/900/1900/2100/AWS MHZ GSM 850/900/1800/1900 MHZ 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.