HTC One E8 5.0" Android 4.4 Quad Core ROM 16GB Unlocked 4G LTE Smartphone Color Grey - International Version No Warrant Front Camera 5.0 MP, Back Camera 13.0 MP, Display: 5.0-inches 4G: FDD-LTE&#xFF1A;1800/2100MHz TDD-LTE&#xFF1A;2600MHz 3G: UMST/HSPA 900/1900/2100MHz 2G: GSM/GPRS/EDGE 850/900/1800/1900MHz RAM 2GB, ROM 16GB, up to extend to 128 GB Android 4.4, HTC Sense 6.0 Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.