1.Power on the T2C
2. Wait for 30 seconds, the box will turn on the WIFI network
3.Connect the box WIFI (AutoKit_xxxx) password 88888888
4.Mobile phone browser access 192.168.43.1
5. Scroll down to the footer, click on "Switch P2P", at this time the web page will prompt the detection of new firmware, but do not click to update!
6. Mobile Settings - WLAN - WLAN Direct Connect - Connect to the box WiFi.
7.Go back to the webpage and click update

Video Tutorial: https://youtu.be/tKmKr7pZi1A