This phone will only work with 2G: GSM 850\/900\/1800\/1900MHz 3G:WCDMA 850\/900\/1900\/2100MHz 4G:FDD-LTE 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>Description:<br>ZUK Z1 is a 3GB RAM and 64GB ROM Quad-core smartphone. It has 5.5 inch 1080 x 1920 pixels with FHD IPS screen. Built in Quad-core processor it has a blazing Qualcomm&amp;reg; Snapdragon&amp;trade; 801 2.5GHz processor speed to make your operation more conveniently. Its 5.5 FHD big screen also will bring you super experience when watching the video. It is built in 13.0MP on back with OIS technology and 8.0MP front-facing camera with OmniBSI-2&amp;trade; technology. It is fully compatible with WCDMA 3G and LTE\/SCDMA 4G networks for making phone calls.<br>          Basic Information                       Model        ZUK Z1            Band        2G: GSM\/EDGE 850\/900\/1800\/1900MHz            CDMA 800MHz            3G: WCDMA 850\/900\/1900\/2100MHz            TD-SCDMA B34\/B39            4G: FDD-LTE 1800\/2100\/2600MHz            TDD-LTE B38\/B39\/B40\/B41            SIM Card        Dual Nano SIM card            Style        Bar            Color        White， Gray            Shell Material              Plastic                       System            OS        Android 5.1            CPU        Qualcomm&amp;reg; Snapdragon&amp;trade; 801 2.5GHz Quad-core            GPU        Adreno 330            ROM        64GB            RAM        3GB                       Screen            Display Size          5.5 inch            Type        FHD IPS， GFF， NTSC 100%， AF coating            Resolution        1080 x 1920 pixels            Multi-Touch        5 points            Protection        Corning Gorilla Glass 3            Brightness        450nit                       Support Format            Ringtones Type        WAV Ringtone\/ MP3            Audio File Format        MP3\/eAAC+\/WMA\/WAV\/FLAC player            Video File Format        MP4\/H.264\/WMV player            Image File Format        JPEG\/ BMP\/ PNG\/ GIF            E-book Format        TXT\/ CHM\/ DOC\/ HTML            Earphone Port        3.5mm Combo Audio Jack with Audio and Mic                       Data Transfer &amp;amp; Connectivity            Data transfer        USB\/ Bluetooth            USB        Standard USB 3.0， 5.0Gbps            Connector        Type-C connector for power charging and data sync            OTG        Support            Mobile internet        WiFi\/ WAP                       General