Samsung SM-G900T unlocked Galaxy S5 4G LTE (Gold) This cell phones are fully compatible with T-Mobile. For GSM carriers Like AT&T as well as GSM carrier that they need SIM cards (e.g. H20, Straight Talk, and select prepaid carriers) need to contact the service provider to check fully compatibility of the phone. This Unlocked cell phones will not work with other CDMA Carriers like Verizon, Sprint, Boost or Virgin. LTE: Bands 1/2/3/5/7/8/4/17 HSPA+/UMTS: 850/AWS/1900/2100MHz GSM: 850/900/1800/1900MHz 5.1" Super AMOLED Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 3 Android v4.4.2 (KitKat), Quad-Core 2.5 GHz Krait 400 Processor, Chipset: Qualcomm MSM8974AC Snapdragon 81, Adreno 330 Graphics 16 Megapixel Rear Camera (5312 x 2988 pixels) + Front-Facing 2 Megapixel Camera. Internal Memory: 16GB storage, 2GB RAM + micro SD Slot Expandable up to 128GB.