This phone will only work with 2G: GSM 850\/900\/1800\/1900MHz 3G: WCDMA 900\/2100MHz 4G: FDD-LTE 800\/1800\/2100\/2600MHz 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> Description:  OUKITEL K4000 5-inch Smartphone is built in 1280*720 pixels IPS capacitive multi-touch 2.5D Curved Screen. It is powered by MTK6735P Quad-core 1.0GHz CPU， 2GB RAM and 16GB ROM to ensure its running more stably. It supports dual SIM card dual standby， WiFi， wireless Bluetooth and 4G FDD-LTE for data transmission and hands-free calling. Its built-in front camera is 2.0MP(Interpolation to 5.0MP)， and the back 8.0MP(Interpolation to 13.0MP) with flashlight. It also supports multi-language.  <br>                Basic Information               Model         OUKITEL K4000               Band         2G: GSM 850\/900\/1800\/1900MHz     3G: WCDMA 900\/2100MHz     4G: FDD-LTE 1\/3\/7\/20(2100\/1800\/2600\/800MHz)               Sim Card         Dual SIM Card Dual Standby (micro SIM card)               Style         Bar               Color         White， Black               Shell Material         Plastic                               System               OS         Android 5.1               CPU         MTK6735P 1.0GHz Quad core               ROM         16GB               RAM         2GB                               Screen               Display Size         5.0 Inch               Type         IPS capacitive touch screen， 2.5D Curved Screen               Resolution         1280*720 pixels                 Screen Type         G+F               Multi-point Touch         5 Points                               Support Format               Ringtones Type         Polyphonic\/MP3               Audio File Format         MP3\/WAV\/ASF\/MID\/ACC               Video File Format         MP4\/3GP               Image File Format         JPEG\/BMP\/GIF\/PNG               E-book Format         TXT\/CHM\/DOC\/HTML               FM Radio         Yes， earphone needed               Earphone Port         3.5mm               Card Extend         Support TF card up to 32GB extended                               Data Transfer &amp;amp; Connectivity               Data transfer         USB\/Bluetooth               Mobile internet         WAP\/WiFi                               General                Camera\/Picture      Resolution         Dual Cameras， 2.0MP(Interpolation to 5.0MP) front camera;      8.0MP(Interpolation to 13.0MP) back camera with flash light                     Language         English， Spanish， Italian， Ce