This phone will only work with 2G:850\/900\/1800\/1900MHz 3G: WCDMA 850\/2100MHz  It's unlocked for worldwide use， customers please take a check to see if your local area network or the communication operator you are using is compatible with this phone before purchase. You can also go to this topic [===Official Help Center=== How To Check If This Phone Can Be Used In Your Country] to find how to confirm this.           Uhappy UP620 comes with 5.5-inch QHD multi-point capacitive touch screen with 960*540 pixels. The phone is equipped with Android 4.4.2 MTK6592 operating system that you can unload  many apps. The phone with whole circle of metal frame had intelligent holster and intelligent gesture function. It is bulit in 5.0MP front camera and 8.0MP rear camera with flash light. It supports an external TF card up to 64GB. It supports OTG，Compass Sensor and Gesture Control. It supports multi-languages.     <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br> <br><br>    <br>          Basic Information           Model       Uhappy UP620           Band       GSM 850\/900\/1800\/1900 MHz    WCDMA 850\/2100 MHz           Sim Card       Dual SIM card           Service Provide       Unlocked           Style       Bar           Color       Black，White                       System           OS       Android 4.4.2           CPU       MTK6592 Qcta-core 1.7GHz           GPU       Mali 450-MP           ROM       8GB           RAM       1GB                       Screen           Display Size       5.5 inch            Type       Capacitive touch screen           Resolution       960*540 pixels                       Support Format           Camera       Front camera: 5mega pixels， rear camera: 8mega pixels，Flash light           Audio Formats       MP3， MIDI， AMR， AAC， WAV           Video Formats       MP4，3GP，WMV，AVI           Java       NO           TV       NO           FM Radio Supported       Yes           GPS       Yes (map is not included)           OTG       Yes           OTA       NO           NFC       NO           Built-in Games       NO           Card Extend       Support SD\/TF Card up to 64GB                       Sensor           Proxy-sensor       Support           Light-sensor       Support           G-sensor       NO           Acceleration Sensor       Support           Direction Sensor       Support           Gyroscope Sensor       NO           Compass Sensor       Support           Temperature Sensor       NO           Barometer Sensor       NO           Gesture control            Double-click to open or close the screen          Quick start your device by making specific gestures with your finger over the off screen                          General            Language