Firmware Upgrade Failed
Symptom
Firmware upgrade failed, with an error message stating: Firmware files do not exist. Please contact Technical Support.
Solutions
Follow these steps to troubleshoot the issue:
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Verify the Windows version: Open Settings, go to , and check Version under Windows specifications. - 
If the version is Windows 1903 or later, please contact Technical Support. 
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If the version is earlier than Windows 1903, continue with the following steps. 
 
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Open the Control Panel, click . In the Region window, go to the Administrative tab and then click Change system locale. In the Region Settings window, select Beta: Use Unicode UTF-8 for worldwide language support, and then click OK. 
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Restart the system to apply the changes.