This phone will only work with 2G: GSM 850/900/1800/1900 3G: WCDMA 2100/850 (HSDPA)
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.

Description:

Features:
MT6580 Quad-core;
5MP+8MP OV Sensor;
1G RAM+8G ROM;
Dual-SIM, Micro SD Card Support;
5-inch IPS Display;
Front-facing Speaker;

Basic Information          
 Model
vkworld VK800X
 Band 2G: GSM 850/900/1800/1900
 3G: WCDMA 2100/850 (HSDP)
 SIM CardDual SIM Cards Dual Standby
 StyleBar
 ColorBlack,White,Gold
 Shell Material      Plastic
 
System
 OSAndroid 5.1
 CPUMTK6580 1.3GHz Quad-core
 ROM8GB
 RAM1GB
 
Screen
 Display Size  5 Inch
 TypeIPS
 Resolution960*540
 Multi-TouchSupport
 
Support Format
 Ringtones TypePolyphonic/MP3
 Audio File Fo