Model Number: SK551-S5I-A
Brand Name: Tonstep or OEM
Key Specifications/Special Features:
GeneralDimensions 153.5X76X7.5mmWeight 139gOS Android 5.1Colour dark purple, whiteMainboardCPU MT67531.3GHz, OCTA-CORE, 4G LTE, 28nanometerGPU Mail-T720Internalmemory 16GB ROM+2GB RAMSIM standard-SIM & micro-SIMCardslot micro SD, upto64GB3.5mmjack yes
Display
Size 5.5 inch, JDI, IPS, LCD, 1280*720 pixels
Pixeldensity 320ppipixeldensity
Type LTPScapacitivetouchscreen, 16Mcolors
Multitouch Yes, 5points
Protection CorningGorillaGlass3, touchscreenwaterproof
Camera
Primary 13.0MP AF, with flash LED , phasedetectionautofocus, LEDflash, checkquality
Features stackmultilayerCMOS（SONY ExmorRS IMX214）, SimultaneousHDvideoandimagerecording, geo-tagging, touchfocus, faceandsmiledetection, imagestabilization, HDR
Aperture F/2.0
Video Yes, 1080p@60fps, 720p@120fps, HDR, videostabilization, dual-videorec., checkquality
Secondary Yes, 5.0MP, AF, dualvideocall
Network&interface
Networkmode dualcardthreemode, LTE FDD +WCDMA+GSM
NetworkBand GSM: 850/900/1800/2100MHz
WCDMA: 850/900/1900/2100MHz
LTE: FDD 800/1800/2100/2600MHz
Standby mode dual SIM card dual standby
Speed Downlink 150Mbps, Uplink 40Mbps
GPRS Yes
EDGE Yes
WLAN Wi-Fi802.11a/b/g/n/ac, dual-band, DLNA, Wi-FiDirect, Wi-Fihotspot, Wi-Fi-display
RemovemobileAP Yes
Navigation GPS，A-GPS
Bluetooth Yes, v4.0withA2DP, EDR, LE
NFC NO,
Infraredport NO
USB 5 pin, USBOn-the-go, USBHost
OTG Yes, 5 pin
Earphone interface 3.5MM
Features
Fingerprint Identification touch type， password function; secure communication;
windows function Yes, working with case
Operatingsystem Android 5.1
Sensors electroniccompass, HallIC, lightsensor, proximitysensor, graximtysensor
Breathinglight Yes
Messaging SMS(threadedview), MMS, Email, PushMail, IM, RSS
Browser HTML5
Radio Yes, FM radio
