Sony Xperia Z C6603 Black Factory Unlocked LTE BANDS 1/3/5/7/8/20 International Version No Warranty - Original Sony phone 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 900 / 2100, 4G: LTE 800 / 850 / 900 / 1800 / 2100 / 2600 5" TFT Display Multi-Touchscreen (up to 10 fingers!), Shatter Proof and Scratch-Resistant Glass Android v4.3 Jelly Bean OS (upgradable), Quad-Core 1.5 GHz Krait Processor, Chipset: Qualcomm MDM9215M / APQ864, Adreno 320 Graphics 13.1 Megapixel Camera (4128 x 3096 pixels) w/ Autofocus, LED Flash + Front-Facing 2.2 Megapixel Camera Internal Memory: 16GB, 2GB RAM + microSD Slot Expandable up to 64GB 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.