Loading..: Some users report "Upgrade popup" loops that freeze the UI until internet access is restricted. Important Installation Notes
Most V4.02.R11 devices support updating via a USB flash drive or local network tools. V4.02.R11 H.264 H.265 DVR NVR Firmware Download
[Attached as .txt file or quoted in reply]
This is the most dangerous step. Many "free firmware download" websites inject malware or are scams.
: Some users report "Upgrade popup" loops that freeze the UI until internet access is restricted. Important Installation Notes
Most V4.02.R11 devices support updating via a USB flash drive or local network tools. V4.02.R11 H.264 H.265 DVR NVR Firmware Download
[Attached as .txt file or quoted in reply]
This is the most dangerous step. Many "free firmware download" websites inject malware or are scams.