Needed software (Install as Administrator):

Software	Windows	MAC OS X	Manual	Driver	Info
Firmware Updatetool	v4.10	N/A	PDF	-	Video AtLibUsbDfu.dll
Java 32 bits (Needed by Firmware update tool) (A)	Java X86	-	-	-	-
Visual Studio (Needed by Firmware update tool) (B)	Visual Studio	-	-	-	-
GSM Hybrid Firmware	v1.6.286.0 (..-..-2019)	-	TXT	-	-
GSM Hybrid Control (NEW!!)	v2.1.0.0 (..-..-2019 FW v1.6.286.0)	-	V2.1.0.0	Wiki	Audio Samples, Spectrum plots

(A) NOTE: This application requires JAVA 32-bits to be installed. Please download and install the latest version first.

(B) 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.

Question: My firmware update isn't working?

Answer: Link: please follow the steps at this link

• GSM Module, Supported Frequency Bands

• USB Cable Length Limitations

Question: What are the differences in versions?

Answer: Link: please read the info at this link

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