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8. Go to the location and find the EndUser.exe file. Double click on it to run the
upgrade tool, you will see a screen as below.
9. Check if New firmware version is newer than Device firmware version,
bigger number or character means newer version. If yes, click Download
button to upgrade the USB firmware.
10. After the procedure is done, you will see the message box as below. Click on
OK to close the box. Then click Quit button to exit the tool.
11. Safely remove MEGA VIEW 588 from your computer.
12. Turn off MEGA VIEW 588 and turn it on again after 5 seconds. Then the
USB function would work via new firmware.