Xhorse Tool Blog

How to Solve Xhorse Multi Prog Update Firmware Error “Device Authentication Failed”?

One customer gave feedback that he failed to update the firmware of Xhorse Multi-Prog Programmer. He got two error messages below:

Error 1:

Device Authentication Failed.

Error 2:

The device is in Recovery mode and must undergo a firmware upgrade before use.

The solution:

Press and hold the RST button for 5 seconds before connecting the power adapter to power on, and then release to update the firmware again

NOTE:

Do not release RST button before starting up, and do not release it until starting up and then update the firmware again!

Tech support:

Email: Sales@xhorseTool.com

Whatsapp: +8613343421783

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