This phone will only work with 2G: GSM 850\/900\/1800\/1900 3G: WCDMA 850\/900\/1900\/2100 4G: FDD-LTE B3\/B7  TDD-LTE:B38\/B39\/B40\/B41It'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>          Basic Information                      Model        Ramos MOS1            Band        2G: GSM 850\/900\/1800\/1900            3G: WCDMA 850\/900\/1900\/2100            4G: FDD-LTE B3\/B7  TDD-LTE:B38\/B39\/B40\/B41            SIM Card        Single Card (micro SIM Card)            Style        Bar            Color        White，Gold，Grey            Material              metal+plastic                       System            OS        Android 5.0            CPU        Snapdragon 615 Qualcomm MSM8939 Octa-core 64Bit             GPU        Qualcomm&amp;reg; Adreno&amp;trade; 405            ROM        32GB eMMC5.0            RAM        2GB LPDDR3                       Screen            Display Size          5.5 Inch            Type        IPS，Capacitive screen，            Screen Technology        GFF whole bonding technology， AHVA display technology， the third generation Corning Gorilla Glass            Resolution        1920x1080 pixels AHVA (401ppi)            Narrow border        4.41mm            Screen accounting        69.92%            Other screen parameters        2.5D sided glass            Multi-Touch        Yes                       Support Format            Audio File Format        MP3， MIDI\/WAV\/PCM\/AAC\/AMR\/WMA etc            Video File Format        MPEG4(3GPP， mp4)\/H264(3GPP\/MPEG-4)\/H263，VC1            Image File Format        JPG，BMP，GIF，PNG            E-book Format        TXT， PDF etc            FM Radio        Yes，earphone needed            Earphone Port        3.5mm            Card Extend                               Data Transfer &amp;amp; Connectivity            Data transfer        OTG\/USB\/Bluetooth4.0            Mobile internet        WAP\/WIFI                       General            Camera\/Picture     Resolution        13.0MP CMOS rear camera，autofocus，flash light， f \/ 2.0，white balance，OSD menu            5.0MP CMOS front camera，autofocus， f \/ 2.2            Language         (More details please refer to the screenshots.)                 Phonebook        500            Message        SMS\/MMS            Input        Handwrite\/Keypad            GPS        Yes，built in.also support A-GPS            WIFI        Yes，Wi-Fi 802.11b\/g\/n，2.4G            OTG        Yes            Bluetooth