Table of Contents

Question: My firmware update isn't working?
Answer: Link: please follow the steps at this link

Step 1

Step 2

Is the unit in Bootloader mode?

Step 3

D&R firmware update tool message AtLibUsbDfu.dll not found for Airlite, Airence, Airlab, GSM Hybrid

Step 4

NOTE: The firmware update tool requires JAVA 32-bits to be installed. Please download and install the latest version first.
Java X86

NOTE: Some users still receive the error message: Firmware update failed! Make sure console is connected and in bootloader mode, they are probably missing the Microsoft Visual Studio drivers.
Visual Studio

Step 5

Also take a look at this document: Firmware update "AtLibUsbDfu.dll not found"

Step 6

If the firmware update tool still doesn't work after these steps fill in the support contact form.

Support Request

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