VKworld T5 Smartphone 5 Inch Android 5.1 Smart Phone MTK6580 Quad Core 1.3GHz Mobile AP Dual SIM (Grey) 5.0 inch HD IPS screen Support Bluetooth, WiFi, GPS, FM Radio, GSM, WCDMA Support an external Micro SD card, up to 32GB (not included) Android 5.1 operating system This phone is not unlocked, please compare its frequency to those that your cellular company supporting before purchasing.