Last updated: October 2025. Firmware links and procedures are verified as of this writing.
If your camera runs firmware V5.4.5 or earlier, do NOT attempt to directly install V5.6.x. You may need a bridging update. Always read Hikvision’s release notes. ds-2cd1021-i firmware download
: Repositories like Softpedia have listed version 5.7.23 (dated late 2025) for this model. 2. Pre-Update Preparation Last updated: October 2025
Stick with official from Hikvision.