To update the firmware of your device, you need to obtain the Bluetooth upgrader application for your Windows version (32 or 64 bit) and a new firmware file. To download Bluetooth upgrader application, go to this page: https://mcleanextreme.com/firmware/, select your Operating System and save the file on your hard drive.
Before you can run the Bluetooth upgrader application you must unblock it. To do this follow the instructions shown on the screens below:
Right click on the app icon and select Properties, then check Unblock field and click OK.
Run the application.
To download a firmware file, go to this page: https://mcleanextreme.com/firmware/, select version of the firmware, click download button and save the file on your hard drive. It is strongly recommended to use always the latest version with all fixes.
The downloaded file is a zip archive, you’ll need to extract it before you can upgrade your device. To do this follow the instructions shown on the screens below:
Right click on the zip file and select Extract All…
Select a destination folder and click Extract.
Extracted file is a OCF file, ready to be uploaded to your device.
To open extracted firmware file in Bluetooth upgrader application click open button and select OCF file.
After the file is loaded correctly the software information appears and status changes to Software loaded.