HTC One A9 Unlocked 16GB 4g LTE 5.0-inch - International Version (Carbon Gray) 5.0-inch AMOLED Capacitive Multi-Touchscreen w/ Corning Gorilla Glass 4. Android v6.0 (Marshmallow), Quad-Core 1.5 GHz Cortex-A53 & Quad-Core 1.2 GHz Cortex-A53 Processor, Chipset: Qualcomm MSM8952 Snapdragon 617, Adreno 405 Graphics. 13 Megapixel Camera (4128 x 3096 pixels). Internal Memory: 16GB, 2GB RAM + microSD Slot Expandable up to 200GB. 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. Please check if your GSM cellular carrier supports the bands for this model before purchasing, LTE may not be available in the US as this is the international model: GSM850, GSM900, GSM1800, GSM1900, UMTS850 (B5), UMTS900 (B8), UMTS1900 (B2), UMTS2100 (B1), LTE2100 (B1), LTE850 (B5), LTE1800 (B3), LTE2600 (B7), LTE900 (B8), LTE800 (B20), TD-LTE2600 (B38), TD-LTE2500 (B41), TD-LTE2300 (B40), LTE700 (B28). This device may not include a US warranty as some manufacturers do not honor warranties for international items Please contact the seller for specific warranty information. The box contains: Your new device, USB cable, Charger (may be foreign) If so, a FREE US adapter will be included, Documentation.