Ailunce HA1UV Firmware Update Operation

For Ailunce HA1UV, the firmware can be update via the software.

Firstly, download the Retevis HA2 CPS and USB Driver, and the firmware update file from the following link:https://www.ailunce.com/Supports/HA2/Software

Secondly, Find “Firmware” under the Operation menu.

Then, connect the USB cable to your computer. Choose the correct COM port, and select model “HA1UV”.  

Here please note that, the com port should display as below picture show:

Next, Select bin file “HA2_appV1.00.06.004 2026.08.08”

Then, make the radio enter the DFU mode.  Please turn off the device, Press and hold the PTT and PF1 button together and turn on the radio. It will enter the DFU mode, and the indicator is red.  

Next, click the “Download” button to start the firmware process.

The radio will restart after the firmware update is successfully.

Check the firmware version on the radio:

Menu-Radio-the 17^th menu “radio information”.