IMPORTANT: No matter what happens when this laptop has a software problem,It can be easily resolved by re-install the Windows 10 on it.
Here's the instruction of this simply re-installation:
1, Long press power button for 2-3 seconds to boot your laptop. Press FN+F7 (or "DEL" button) when you see power led on.Then you can enter the BIOS pages.
2, Choose the "UEFI OS (FORESEE 512GB SSD)" on the boot Override of page "Save & Exit".
3, Press "A and then Enter" when you log in the WIN PE system and then wait for the automatic reinstallation process,all problem resolved..

Specification:
Model:One Mix 2S Koi Limit Edition
OS: Windows 10 home
CPU:Intel Core M3 - 8100Y,Dual Core, 1.1GHz~3.4GHz
Fingerprint recognition:Yes
Storage RAM: 8GB
ROM: 512GB PCI-E SSD
RAM Type: DDR3
External Memory: SD card up to 256GB (not included)
Display Screen size: 7 inch Multi-Touch,Support Touch Screen
Display Ratio: 16:10
Screen resolution: 1920*1200 IPS
Network WIFI: Wireless:802.11a/ac/b/g/n Wlan,2.4/5GHz Dual-band
BT: 4.1, I/O Interface I/O Specifications:1x USB Type-C 3.0,1x USB Type-A 3.0
Video Interface:MINI HDMI D Type
Audio interface:3.5mm Headset jack
Power Battery Type:Non-removeable Li-Po battery
Battery capacity:6500mAh
Battery Life:About 12 hours,It should depend on the actual working conditions
Charging voltage: PD Type C 12V 2.5A
Multimedia Audio format:Mp3/Mp4/Wma/Ogg/Amr/Aac/Flac/Ape/Wav/MidI/Ra Video format:Mp4/Ape/Wmv/Rm/Rmvb/Asf/Avi/Mov Picture format:Jpg/Png/Gif/Bmp/Jpeg/Webp/Wbmp
Stylus pen Instructions:Touch type handwriting pen Sensitivity:2048
Dimensions Product size:182mm*110mm*17mm
Product weight:0.515kg
Package size:0.8kg
Package Contents:
1 x Charger
1 x English Manual
1 x [Koi Limit Edition] One Mix 2S Laptop
1X 2048Level Original Stylus Pen