What should I do if the firmware update file gets renamed on my computer?
Ensure that the bin file is NOT renamed in any way, as the update will fail if the file appears with a modified name such as 'FW122HDA(1).bin'. Keep the file name exactly as downloaded before copying it to the SD card. (Page 4)
From the official Nextbase 122hd Dash Cams manual, page 4
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