1. Connect the physical serial interface: UART TTL - USB connector or USB-C connector, according to the serial communication type that you are using.
2. Enter Update Mode: Send the AT+DFU command via serial.
3. Trigger LED: The LED will flash orange.
4. If you are using a UART TTL - USB connector: remove it and plug a USB-C cable from the ConnectLink into your computer.
5. Grant Access: Click Connect below to link your device.
6. Install: Click Upload to begin the firmware update.

Warning: Keep the cable connected until the process is 100% complete.