Tip: <br />Unlocked for Worldwide use. Please ensure local area network is compatible.   for Network Frequency of your country. Please check with your carrier/provider before purchasing this item.<br />Notice:<br />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.<br /><br />Main Features:<br />Vkworld Discovery S1 Android 5.1 4G Phablet MTK6735 Quad Core 1.50GHz 13.0MP Back Camera 5.0MP Front Camera， 5.5 inch 1920 x1080 FHD， 2GB RAM 16GB ROM， bluetooth 4.0， support FM GPS and 3D sensors. <br />Screen: 5.5 inch FHD screen ( 1920 x 1080 )<br />OS: Android 5.1<br />CPU: MTK6735 Quad Core 1.3GHz<br />GPU:Mali-T720<br />RAM+ROM: 2GB RAM + 16GB ROM <br />Camera: Rear camera 13.0MP， front camera 5.0MP <br />SIM Card: Dual SIM dual standby， dual Micro SIM<br />Bluetooth: V4.0<br />GPS: Yes<br />Networks:   <br />2G: GSM 850/900/1800/1900MHz <br />3G: WCDMA 850/900/1900/2100MHz<br />4G: FDD-TLE 800/1800/2100/2600MHz<br /><br />           Specification:<br />                                                          Basic Information<br /><br />                                              Brand: VKWORLD                        <br />                                                                      Type: 4G Phablet                        <br />                                                                      Service Provide: Unlocked                        <br />                                                                      OS: Android 5.1                        <br />                                                                      Languages: English， French， Spanish， Russian， German， Italian， Dutch， Portuguese                        <br />                                                                      SIM Card Slot: Dual SIM， Dual Standby                        <br />                                                                      SIM Card Type: Dual Micro SIM Card                                                                                                <br />	                                                               Hardware<br /><br />                                              CPU: MTK6735                        <br />                                                                      Cores: 1.3GHz， Quad Core                        <br />                                                                      GPU: Mali-T720                        <br />                                                                      RAM: 2GB RAM                        <br />                                                                      ROM: 16GB                        <br />                                                                      External memory: TF card up to 32GB (not included)                                                                                                <br />	                                     <br />                                                             Network<br /><br />                                              Wireless Connectivity: WiFi， GPS， 3G， 4G， Bluetooth 4.0                        <br />                                                                      WiFi: 802.11b/g/n wireless internet                        <br />                                                                      Network type: FDD-LTE+WCDMA+GSM                        <br />                                                                      2G: GSM 850/900/1800/1900MHz                        <br />                                                                      3G: WCDMA 850/900/1900/2100MHz                        <br />                                                                      4G: FDD-LTE 800/1800/2100/2600MHz                                                                                                <br />	                                                               Display<br /><br />                                              Screen type: Capacitive                        <br />                                                                      Screen size: 5.5 inch                        <br />                                                                      Screen resolution: 1920 x 1080 (FHD)                                                                                                <br />	                                     <br />                                                             Camera<br /><br />                                              Camera type: Dual cameras (one front one back)                        <br />                                                                      Back camera: 13.0MP                        <br />                                                                      Front camera: 5.0MP                        <br />                                                                      Flashlight: Yes                        <br />                                                                      Video recording: Yes                                                                                                <br />	                                                               Media Formats <br /><br />                                              Picture format: PNG， JPEG， GIF， BMP                        <br />                                                                      Music format: WAV， AAC， MP2， MP3， OGG                        <br />                                                                      Video format: H.264， H.263， 3GP， AVI                        <br />                                                                      MS Office format: Excel， PPT， Word                        <br />                                                                      E-book format: TXT， PDF                                                                                                <br />	                                     <br />                                                             Other Features<br /><br />                                              I/O Interface: Micro USB Slot， 3.5mm Audio Out Port， 2 x Micro SIM Card Slot， TF/Micro SD Card Slot                        <br />                                                                      Sensor: Ambient Light Sensor， Proximity Sensor                        <br />                                                                      Google Play Store: Yes                        <br />                                                                      Sound Recorder: Yes                        <br />                                                                      Additional Features: Alarm， GPS， Calendar， Browser， 3G， People， E-book， Wi-Fi， Calculator， MP3， FM， MP4， Bluetooth                                                                                                <br />	                                                               Battery<br /><br />                                              Battery Capacity (mAh): 1 x 3050mAh                        <br />                                                                      Battery Type: Lithium-ion Polymer Battery                                                                                                <br />	                                     <br />                                                             Package Contents<br /><br />                                              Cell Phone: 1                        <br />                                                                      Battery: 1                        <br />                                                                      Power Adapter: 1                        <br />                                                                      USB Cable: 1                        <br />                                                                      English Manual : 1                                                                                                <br />	                                                               Dimensions<br /><br />                                              Product size: 15.3 x 7.6 x 0.76 cm / 6.01 x 2.99 x 0.30 inches                        <br />                                                                      Package size: 18 x 12 x 6 cm / 7.07 x 4.72 x 2.36 inches                        <br />                                                                      Product weight: 0.170 kg                        <br />                                                                      Package weight: 0.550 kg                                                                                                <br />	                                     <br />                        <br /><br /><br />                                                <br />