Description
Hikvision DS-9616NI-I8 Network Video Recorder: To upgrade your NVR from version 3.4.x to version 4.x, ensure that the NVR firmware is updated to version 3.4.92 (released on 170518) and execute a system factory reset before proceeding with the upgrade to version 4.x. Failing to have the NVR at firmware version 3.4.92 and not performing a system factory reset prior to upgrading may result in the NVR becoming inoperable.