The following sites host the specific .rar archive for board revision 5.2: : Provides the DS-80237-P REV5.2 Bios DUMP.rar (approx. 13.6 MB).
: The internal software has been damaged beyond the reach of standard recovery tools. Download FLASH DUMP DVR HIKVISION 7104HGH1 80237 REV5 rar
) from several specialized firmware repositories. These files are typically used with a hardware programmer (like an RT809F or CH341A) to repair "bricked" DVRs or reset forgotten passwords. The following sites host the specific