This phone will only work with 2G: GSM 850\/900\/1800\/1900MHz 3G: WCDMA 850\/900\/1900\/2100MHz TD-SCDMA 1800-1920\/2010-2025MHz 4G: FDD-LTE 2100\/ 1800\/2600MHz TD-LTE 2570-2620\/1880-1920\/2300-2400MHz 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>Description:<br>ONEPLUS ONE smartphone with 16GB ROM is powered with Qualcomm Snapdragon 801(8974AC)， Krait 400 Quad Core， 2.5GHz processor. And it works with 4G: FDD-LTE and TD-LTE.  This phone has 5.5-inch 1920 x 1080 pixels IPS multi-touch capacitive screen， giving you a big and FHD feeling. It's bulit in 3100mAh battery. You will never worry the power be consumed quickly.<br>          Basic Information           Model       ONEPLUS ONE           Band       2G: GSM 850\/900\/1800\/1900MHz    3G: WCDMA 850\/ 900\/1900\/2100MHz    3G: TD-SCDMA 1800-1920\/2010-2025MHz    4G: FDD-LTE 2100\/ 1800\/2600MHz    4G: TD-LTE 2570-2620\/1880-1920\/2300-2400MHz           Sim Card       Single Micro-SIM Card Single Standby           Service Provide       Unlocked           Style       Bar           Color       Black&amp;amp;White           Shell Material       Plastic                       System           OS       CyanogenMod CM11(based on Android 4.4)           CPU       Qualcomm Snapdragon 801(8974AC)， Krait 400 Quad Core， 2.5GHz;    GPU: Adreno 330           ROM       16GB           RAM       3GB LP-DDR3， 1866MHz                       Screen           Display Size       5.5 Inch           Type       LTPS， IPS; Corning III Gorilla Glass， ultra sensitive    Support CABC &amp;amp; Ram auto power saving           Resolution       1920 x 1080 pixels FHD screen                       Support Format           Speakers       Built-in Stereo Speakers           Microphones       Tri-microphone with noise cancellation           LED Notification       Yes           FM Radio       No           Earphone Port       3.5mm           Card Extend       No                       Data Transfer &amp;amp; Connectivity           Data Transfer       USB\/Bluetooth           Mobile Internet       WAP\/WiFi                       General           Camera\/Picture Resolution            Sensor: Back camera 13 Megapixel - Sony Exmor IMX 214         Lenses: 6 lenses to avoid distortion and color aberration         Flash: Dual-LED         Aperture: f\/2.0         Front Camera: 5 Megapixel - Distortion free         Video: 4K resolution video with stereo recording;         Slow Motion: 720p video at 120fps              Languages       English， Afrikaans， Asturianu， Azerbayc