: Download and install the USB drivers and the firmware update tool from the Owon Software section .
: Installing a V4.x firmware on some V1.x or V2.x hardware can cause the LCD display to remain permanently upside down exact hardware branch using your serial number before you download a file? OWON HDS 200 Handheld Oscilloscope w/ builtin DMM/AWG owon hds2102s firmware update link
Short safety/legal note
Only proceed with the update if the new firmware version number is higher than yours. : Download and install the USB drivers and
Firmware versions are tied to specific hardware . For example, if your device has V4.x.x , you should not attempt to install V1.5.1 or V2.0.4 , as they are incompatible and could malfunction . if your device has V4.x.x