To flash/upgrade the TONYLABS USB Type-C Retina Display firmware with DFU, you need a Windows computer with a USB Type-C port.

The logic boards supports the device firmware upgrade DFU feature to update the firmware via USB.

Step 1. Press and hold the BOOT0 button, connect the USB Type-C cable.

Step 2. Update the application firmware using one of the following software tools:

Click on the relevant link to open the product page on

  • STM32CubeProgrammer; refer to User manual UM2237
  • DfuSe ; refer to User manual UM0412

Step 4. Disconnect and connect the USB Type-C cable.