Download all segments of the RAR archive and extract them using a tool like WinRAR or 7-Zip to obtain the single firmware file.
Log into your device's web interface (typically by entering its IP address in a browser) or use management software like Hikvision iVMS-4200. Download 35022103 3840x2160 Firmware part05 rar
Files ending in .part05.rar indicate that the complete firmware is split into several segments. You must have all parts (part01, part02, etc.) in the same folder to successfully extract the final .dav or .bin firmware image. General Installation Procedure Download all segments of the RAR archive and
The number 35022103 is a likely build or version identifier for a specific hardware series, such as 4K Network Video Recorders (NVRs) or Ultra HD IP cameras. You must have all parts (part01, part02, etc
Click Browse to select the extracted firmware file and then click Upgrade .