DS50PROII 0226.1759 update firmware

COOVManager

This 0226.1759 version of the firmware fixes the upgrade prompt bug. The usage method is as follows:

1: Download this firmware.


2: Hold the upgrade button of DS50PRO2 and  inserting it into the PC.


3: Open the upgrade link (please use Microsoft Edge browser to open it) and upgrade in the "Downloaded Firmware" column.