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How to upgrade firmware?

1. Please download the firmware of 4K HDMI Video Recorder from the official website of Zowietek: https://zowietek.com/documents/

  1. Please unzip the downloaded firmware and the files shown in the figure below will appear.
  1. Copy the two files md5.json and ZowieREC to the root directory of the USB flash drive. Do not put them in any folder, otherwise the device will not be able to detect the upgrade file.

Please make sure that the USB drive you use is in FAT32/exFAT format

  1. Insert the USB drive into ZowieREC and confirm that the device has detected the USB drive normally.
  1. Click to enter the system settings and select upgrade. After clicking confirm, do not unplug the USB drive or turn off the power of the device.

During the upgrade process, the LCD screen will display “Upgrading”, please wait patiently.

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