Sony Xperia Z3 Compact D5803 16GB 4G LTE 4.6" Unlocked GSM Android Smartphone - Black - 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 900 / 1700 / 1900 / 2100, 4G: LTE 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600 4.6" IPS LCD Capacitive Multi-Touchscreen, up to 10 fingers, Shatter proof glass Android v4.4.4 (KitKat), Quad-Core 2.5 GHz Krait 400 Processor, Chipset: Qualcomm MSM8974AC Snapdragon 81, Adreno 330 Graphics 20.7 Megapixel Camera (5248 x 3936 pixels) w/ Autofocus, LED Flash + 2.2 Megapixel Camera Internal Memory: 16GB (12GB user available), 2GB RAM + microSD Slot Expandable up to 128GB 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.