QCC - Step by Step Bluetooth Device Firmware Update (DFU) Guide with Windows PC

Note: It only works with Windows computer. And need a USB data cable to complete the DFU.

Step 1: Download the DFU Tool.

Please click and download the DFU tool here - BlueSuite.WIN.3.3 Installer and install it on your computer. 

Once download the DFU tool, unzip it and double click the file to install

Step 2:  Please find “HidDfuAPP” in “all programs” on your computer and select the DFU file in "ChooseFile". Click"Run". Then DFU will be done.