CPU / Processor MediaTek MT6735 / ARM Cortex-A53 1300Mhz 64bits Quad-Core?? 16GB Storage (10gb user)?? Support Micro SD Up to 32gb / 1GB RAM?? 8 mpx Camera Led Flash + 8mpx Rear Camera?? LCD 5.3"Curve side / Android OS / FM with RDS.</br>Unlocked cell phones are compatible with GSM carrier such as AT&T and T-Mobile?? but are not compatible with CDMA carriers such as Verizon and Sprint.</br>Please check if your GSM cellular carrier supports the bands for this model before purchasing: GSM 850/900/1800/1900 mhz ?? WCDMA 850/1700/1900 mhz.</br>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.</br>The box contains: Your new device?? USB cable?? Charger?? Earphones?? Documentation.</br></br>Product Description</br></br>Dual SIM Stand-by - Call active on one sim card GSM Mhz Band Quad-Band 850/900/1800/1900 2G Network GSM 850/900/1800/1900 3G Network UMTS 850/1700/1900 4G Network Not supported Not For CDMA Networks such as Verizon?? Sprint?? Boost Mobile?? US Cellular etc</br><br/>http://www.amazon.com/gp/product/B01EK4LTCY  dp