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  1. indian5

    Hikvision - Clearing Passwords and/or Loading Firmware via TTL Serial

    Update - I used the Firmware_Europe_V4.30.231_230726_S3000534428.zip and voala - DVR is reset to factory default and I'm able to work with it :)
  2. indian5

    Hikvision - Clearing Passwords and/or Loading Firmware via TTL Serial

    Hi alastairstevenson, many thanks for quick reply. I downloaded the FW from https://assets.hikvision.com/prd/public/all/files/d50a7d7e-6884-481f-878e-cff4a9d7ddc6.zip I see no more details on the device's bar code, see picture below. see HKVS $ setenv ';help' ? - alias for 'help' base...
  3. indian5

    Hikvision - Clearing Passwords and/or Loading Firmware via TTL Serial

    Hi experts, I'm fighting with password reset/FW update on my DS-7104HQHI-K1 (board version 80388_P Rev 2.1) V4.30.212 build 210618. I have the same firmware downloaded on my PC and trying to upload it to the DVR via tftpd32, but after upload I'm always getting "upgrade packet mismatch", see...
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