Motorola Moto X Pro 64 GB 4G LTE Android 6.3" Cell Phone GSM Unlocked International Version - Black This Smartphone Powerhouse comes with a Built in 32bit - Qualcomm Snapdragon 805 APQ8084 2.7Ghz Quad-Core Krait 450 processor This Motorola Shamu Nexus 6 smartphone comes out of the box with Android 5.0.2 Lollipop and Firmware update to Android 7.1 Nougat as well with a 13 MP Camera and a 3320 mAh Battery Unlocked cell phones are compatible with all GSM carrier such as AT&T and T-Mobile, Though are not necessarily compatible with CDMA carriers such as Verizon and Sprint so to find out you will need to contact your Network Provider and ask them if they will support this model this model supports the following Bands-Frequencies. THIS DEVICE SUPPORTS THE FOLLOWING 20 FREQUENCY BANDS: GSM Mhz Quad-Band 850/900/1800/1900 2G network CDMA 800, GSM 850/900/1800/1900 3G network CDMA2000, UMTS 850/900/1900/2100, TD-SCDMA 1900/2000 4G network LTE Cat4 700/800/1800/2100/2600 (Bands 1,3,7,20,28) TD-LTE 1900/2300/2500/2600 (Bands 39,38,40,41) Data networkGPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE WHAT DOES INTERNATIONAL AND BAND VERSION MEAN: International means that the device was not commissioned from the manufacturer for a specific carrier with their preloaded specifications and preinstalled applications. This phone is made to work on International markets such as Asian and European Network providers in the United States this phone will only work on the 3G network this phone does not support 4G on any of the United States Networks Though it is fully Functional on all US Networks 3G