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  1. cys

    DaHua NVR5216-16P-4KS2 firmware upgrade questions.

    I applied this upgrade to my 5216-4ks2 and its now in reboot loop just logo has appaers and nothing more rebooting it self now i want to downgrade my old firmware 3.216.00004 but how can i do pls help me!
  2. cys

    I applied this update to my 5216-4ks2 its now in reboot loop how can i fix this device is not working plsss helpppp! How can i go back to version 3.216. 00004