http://www.asus.com/lifestyle/zenfone/

    ZenFone 2 (ZE550ML)

    Model Number : N50 >
    • Platform
      Android™ 5.0
    • Color
      Black/White/Red
    • Dimensions
      77.2 x 152.5 x 3.9 ~ 10.9 mm (WxDxH)
    • Weight
      170 g
    • CPU
      Intel® Atom™ Quad Core Z3560 (1.8GHz), PowerVR G6430, with OpenGL 3.0 support
    • Memory
      2GB LPDDR3 RAM
    • Storage
      16GB eMMC Flash
      5GB free lifetime ASUS WebStorage
    • Memory Slot
      MicroSD card (up to 128 GB)
    • Modem
      Intel 7262 + Intel 2230
    • Connectivity Technology
      WLAN 802.11 a/b/g/n/ac
      USB
      Bluetooth V4.0
      Dual Micro SIM card
      SIM1 Support2G/3G/4G
      SIM2 Support2G
      Dual SIM Dual Active
    • Network Standard
      UMTS/WCDMA/TD-SCDMA/TDD-LTE/FDD-LTE
      Data Rate:
      HSPA+: UL 5.76 / DL 42 Mbps
      DC-HSPA+: UL 5.76 / DL 42 Mbps
      LTE Cat4:UL 50 / DL 150 Mbps
      2G :
      EDGE/GPRS/GSM : (WW version)
      850MHz/900MHz/1800MHz/1900MHz
      3G :
      WCDMA :(WW version)
      850MHz/900MHz/1900MHz/2100MHz
      TD-SCDMA: (CN/IN version Only)

      4G :
      FDD-LTE: (TW version)
      2100MHz(1)/1900MHz(2)/1800MHz(3)/1700MHz AWS(4)/850MHz(5)/900MHz(8)/700MHz(28)
      FDD-LTE: (WW version)
      2100MHz(1)/1900MHz(2)/1800MHz(3)/1700MHz AWS(4)/850MHz(5)/2600MHz(7)/900MHz(8)/800MHz(20)
      FDD-LTE: (CN/IN version)
      2100MHz(1)/1800MHz(3)
      TDD-LTE: (CN/IN version)
      2600MHz(38)/1900MHz(39)/2300MHz(40)/2500MHz(41)
      ASUS phone 4G/LTE band compatibility varies by region. Please check compatibility with local carriers If intending to use your ASUS phone outside the original purchase region.
      SIM1 Support2G/3G/4G
      SIM2 Support2G/
      Dual SIM Dual Active
    • Navigation
      GPS/GLONASS/QZSS/SBAS/BDS
    • Display
      5.5inches, HD 1280x720,IPS
      Corning® Gorilla® Glass 3
    • Battery
      3000 mAh Li-Polymer (non-removable)
    • Camera
      Front 5 Mega-Pixel
      Fix Focus
      Wide View
      PixelMaster
      Rear 13 Mega-Pixel
      Auto Focus
      PixelMaster
    • Sensor
      G-Sensor/E-Compass/Proximity/Ambient Light Sensor
    • Note
      Supports BoostMaster fast charging (optional adapter required)