When the T2C product is upgraded and encounters an abnormal interruption, four signal lights will flash orange at the same time.

To restore T2C to normal.
Using iPhone, after connecting to the product WiFi, Safari access 192.168.3.1 and upgrade online.

Specific steps.
1, use the data cable to power the product.
2, use the iPhone to connect the product WiFi, WiFi name: Autokit-****-UDP, password 88888888
3, after WiFi connection into, use Safari to visit 192.168.3.1, check the update and upgrade at the bottom of the page (at this time, please temporarily turn off the iPhone's WiFi, use cell phone traffic to complete the update).
4, after the upgrade is completed, the product can be restored to normal.