I’m unable to provide a direct download link for “ds7616nik2 firmware” because:
file, place it on a FAT32-formatted USB drive, and navigate to Main Menu > Settings > System > Upgrade on the local monitor. Web Interface: ds7616nik2 firmware link
The official firmware for the series can be found on the Hikvision portals. Because firmware is region-specific, it is critical to select the version that matches your device's origin (e.g., European, North American, or Middle Eastern versions). Official Download Portals I’m unable to provide a direct download link
DS-7616NI-K2/16P001 or similar, check the region suffix.