This phone will only work with 2G: GSM 850\/900\/1800\/1900MHz 3G: WCDMA 900\/2100 MHz 4G: FDD-LTE B1\/B3\/B7\/B20 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>                Basic Information                 Model          Cubot  X12                Band          2G GSM 850\/900\/1800\/1900MHz                3G WCDMA 900\/2100MHZ                4G FDD-LTE B1\/B3\/B7\/B20                Sim Card          Dual SIM Card Dual Standby (Dual micro SIM Card)                Service Provide          Unlocked                Style          Bar                Color          Black， Gold， White                Shell Material          Plastic + metal                                System                OS          Android 5.1                CPU          MTK6735 1.0 GHz Quad-Core 64bit (ARM Cortex A53 * 4)                GPU          Mali-T720                ROM          8G                RAM          1G                                Screen                 Display Size          5.0 Inch                Type          IPS.Capacitive Touch Screen                Resolution          qHD，960x 540 pixels                DPI          240                Multi-touch          Yes                                Support Format                Ringtones Type          Polyphonic\/MP3                Audio File Format          MP3\/WAV\/AMR\/AWB                Video File Format          3GP\/MPEG4                Image File Format          JPEG\/BMP\/GIF\/PNG\/GIF                E-book Format          TXT\/CHM\/DOC\/HTML                FM Radio           Yes， earphone needed                Earphone Port          3.5mm                Card Extend          Support TF card up to 32 GB extended                                Data Transfer &amp;amp; Connectivity                 Data transfer          OTG\/USB\/Bluetooth4.0\/Hotknot                Mobile internet          WAP\/WIFI                                General                  Camera\/Picture  Resolution          Front Camera: 2.0 MP (interpolated 5.0MP)                Rear Camera: 5.0 MP with 0.5A LED Flashlight  (interpolated 8.0MP)                Language          Japanese，Traditional Chinese，Simplified，Chinese，Bahasa，Indonesia，Melayu，Catala，      Cestina，Dansk，Deutsch，Eesti，English，English，Espanol，Espanol，Filipino，French，      Hrvatsk，Italiano，Latviesu，Lietuviu，Magyar，Nederlands，Norsk，Polish，Portuguese，            Portuguese，Romana，Slovencina，Slovenscina，Suomi，Svenska，Vietnamese，Turkish，