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Some configurations do not have by default the drivers to recognize the device, download and install them if necessary, the drivers are available for download on the page depending on the computer’s operating system.

If you have the latest version of the driver installed, it may be necessary to change the USB cable if it is not the original one because some cables are not compatible with the data transfer necessary to recover the memory of the device.

On Mac, there may be a conflict with the internal driver already present and it is necessary to follow the following procedure:

1 – Download the drivers at and install them. The installation will succeed, BUT because of the FTDI drivers built into Apple, they won’t work.

2 – Restart the computer and enter recovery mode by turning off and holding CMD + R on reboot.

3 – In recovery mode, open the terminal from the utilities at the top of the screen and type the following to temporarily disable system integrity protection:
csrutil disable
The computer will ask you to restart for the changes to take effect.

4 – On reboot, we now need to disable Apple’s FTDI drivers (NOTE: this can be undone at any time, don’t worry).
Open the Terminal and write the following.
cd /system/library/extensions
sudo mv AppleUSBFTDI.kext AppleUSBFTDI.disabled
sudo touch /Système/Bibliothèque / Extensions

5 – Restart your computer in recovery mode. Turn off, hold Commande + R and open the terminal in the Utilitaires.
Enter the following information to re-enable Apple’s system integrity protection
csrutil unable