This phone will only work with 2G: GSM 900\/1800\/1900MHz 3G: WCDMA 900\/2100MHz   TD-SCDMA 1900\/2010MHz  4G:TD-LTE B38\/39\/40 FDD-LTE B1\/3\/7MHz 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.<br><br><br><br><br><br><br><br><br><br>  <br>                Basic Information                Model           Coolpad Dazen X7                Band          2G: GSM 900\/1800\/1900MHz                3G: WCDMA 900\/2100MHz             TD-SCDMA 1900\/2100MHz                4G: TD-LTE B38\/39\/40      4G: FDD-LTE B1\/3\/7MHz                 Sim Card          Micro SIM Card + Nano SIM Card， Dual Standby                Service Provide          Unlocked                Style          Bar                Color          Golden，Black                Shell Material          Aerometal                                System                OS          Android 4.4.2                CPU          MTK6595， Cortex A17  + A7 Octa-core， 2.0GHz， LPDDR3;      GPU: PowerVR G6200                ROM          32GB                RAM           2GB                                Screen                Display Size           5.2 Inch                 Type          IPS， capacitive screen， super AMOLED Gorilla Glass 3                 Resolution          1920 x 1080 pixels，424PPI                                Support Format                FM Radio          Yes， earphone needed                Earphone Port          3.5mm                Card Extend           Support TF card up to 32GB extended                Video Format Supported          H264&amp;ndash;baseline\/Main\/High\/MPEG4-simple\/ASP\/H264&amp;ndash;0\/VC&amp;ndash;1\/WMV9&amp;ndash;Simple\/Main，VC-1-Advanced etc                Audio Format Supported          PCM\/AAC\/AAC+\/eAAC+\/MP3\/WMA-V9 and V10\/AMR&amp;ndash;NB and WB\/FLAC\/APE，etc                Picture  Format Supported          JPEG，etc                                Data Transfer &amp;amp; Connectivity                Data transfer           USB\/Bluetooth                Mobile internet          WAP\/WiFi                                General                 Camera\/Picture Resolution          Dual Cameras， 8.0MP front camera; 13.0MP back camera with two color temperature LED flashlights， support optical image stabilizer， background dematerialization， 32 second long exposure， face beauty self-capture， etc.                Phonebook           500                Language          English， Chinese                Message          SMS\/MMS                Input           Handwrite\/Keypad                GPS           Yes， b