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Select the correct connection type (USB or Bluetooth) and click . delphi ds100e firmware update problem link
Verify the device is assigned to the correct COM port in the software settings (e.g., matching the port shown in Windows Device Manager). Related search suggestions have been prepared
on how to manually update the USB drivers for your specific Windows version? Delphi DS150E Firmware Upgrade Procedure delphi ds100e firmware update problem link
Some technical articles on AliExpress Wiki provide specific steps for firmware version 1622.
, use this bypass method by pinging the EU mirror: https://delphi-ds100e-firmware.s3.eu-west-1.amazonaws.com/latest/recovery.zip
Avoid using Bluetooth for firmware updates, as it is less stable than a direct USB connection.