This Android/Windows device is designed to function specifically with the current Android/Windows OS installed on it. Any alterations such as upgrades, modding with custom ROMs, rooting or flashing the Android device with other firmware will automatically void the device's warranty.

Leagoo Venture 1 Android 5.1 5.0 inch 4G Smartphone MTK6753 1.3GHz Octa Core 3GB RAM 16GB ROM 8.0MP + 13.0MP Cameras GPS
Main Features:
Display: 5.0 inch HD screen
CPU: MTK6753 Octa Core 1.3GHz
System: Android 5.1
RAM + ROM: 3GB RAM + 16GB ROM 
Camera: Back camera 13.0MP + front camera 8.0MP 
Bluetooth: 4.0
Navigation: GPS
Sensor: G-sensor, Proximity sensor, Light sensor, E-compass
SIM Card: Dual SIM dual standby, one is micro SIM card, the other is nano SIM card
Network:
2G: GSM 850/900/1800/1900MHz
3G: WCDMA 900/2100MHz
4G: FDD-LTE 800/900/1800/2100/2600MHz

Specification

Basic Information	Brand: LEAGOO Type: 4G Smartphone OS: Android 5.1 Service Provide: Unlocked Language: Multi language SIM Card Slot: Dual SIM,Dual Standby SIM Card Type: Micro SIM Card,Nano SIM Card
Hardware	CPU: MTK6753 64bit Cores: 1.3GHz,Octa Core GPU: Mali-T720 RAM: 3GB RAM ROM: 16GB External Memory: TF card up to 128GB (not included)
Network	Wireless Connectivity: 3G,4G,Bluetooth 4.0,GPS,GSM,WiFi WIFI: 802.11b/g/n wireless internet Network type: FDD-LTE+WCDMA+GSM 2G: GSM 850/900/1800/1900MHz 3G: WCDMA 900/2100MHz 4G: FDD-LTE 800/900/1800/2100/2600MHz
Display	Screen type: Capacitive,IPS Screen size: 5.0 inch Screen resolution: 1280 x 720 (HD 720)
Camera	Camera type: Dual cameras (one front one back) Back camera: 13.0MP Front camera: 8.0MP Flashlight: Yes
Media Formats	Picture format: BMP,GIF,JPEG,PNG Music format: AAC,AMR,M4A,MKA,MP3,WAV Video format: 3GP,MKV,MP4,WMV Games: Android APK
Other Features	I/O Interface: 1 x Micro SIM Card Slot,1 x Nano SIM Card Slot,3.5mm Audio Out Port,Micro USB Slot,TF/Micro SD Card Slot Bluetooth version: V4.0 Sensor: Ambient Light Sensor,E-Compass,Gravity Sensor,Proximity Sensor FM radio: Yes Additional Features: 3G,4G,Alarm,Bluetooth,Browser,Calculator,Calendar,Fingerprint recognition,Fingerprint Unlocking,GPS,MP3,MP4,People,Video Call,Wi-Fi
Battery	Battery Capacity (mAh): 1 x 3000mAh
Package Contents	Cell Phone: 1 Earphones: 1 Power Adapter: 1 USB Cable: 1 English Manual : 1
Dimensions and Weight	Product size: 14.85 x 7.19 x 1.11 cm / 5.85 x 2.83 x 0.44 inches Package size: 18.20 x 18.20 x 4.65 cm / 7.17 x 7.17 x 1.83 inches Product weight: 0.210 kg Package weight: 0.510 kg

Product Notes:
1. Download your favorite apps through the Google Play Store or Market installed.
2. Note: This Android/Windows tablet is designed only to work with the current Android/Windows OS installed in it. Any alterations such as upgrades or flashing a newer version will void the warranty.
3. The stated ROM amount shows the maximum available ROM with nothing installed. However, the Android/Windows OS and pre-installed software from the manufacturer will occupy some of this ROM. The available ROM on the device will therefore be slightly less than the ROM listed.