V4.02.R11 H.264/H.265 DVR/NVR Firmware Download

We have compiled a list includes the latest version of DVR’s firmware. This firmware can be compatible with your Hisilicon SoC based DVRs/NVRs (such as Hi3520A, Hi3520D, Hi3521, Hi3521A, Hi3531, Hi3531A, Hi3535, Hi3536). Your DVR may come with different types such as 1080N AHD DVR, 1080p AHD DVR, 5MP DVR, 4MP DVR/NVR, 960H DVR...etc. The latest firmware for your 4-channel, 8-channel, 16-channel, 32-channel DVRs with different brand name.

How to find firmware’s version of your DVR?

Logon your DVR, navigates to [System info] > [Version], you are able to know the current version of your DVR’s firmware. Writing it down then scrolling down to this webpage to find corresponding firmware. If your DVR’s firmware is corrupted, you are not able to logon DVR because DVR can’t boot up. To check your DVR’s firmware, you can inspect motherboard of DVR, typically there is a printed hardware model/version on it. Then read the below list to get firmware which matches your hardware model/version.

DVR Firmware Download List Part 1

DVR Firmware List Part 2

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DVR Firmware List Part 3

How to update DVR's firmware?

After you get the right firmware for your digital video recorder, the next step is updating/upgrading. There are two methods available to update device's firmware.

Method 1:

• Preparing a U-disk then copy firmware file to the root folder of U-disk.
• Plug U-disk to USB port of DVR, then logon DVR Navigate to "Advanced" > "Upgrade" then select firmware file to upgrade.

Method 2: If you are not able to logon DVR for upgrading, you can do it via local computer.

1. Running Ethernet cable between the DVR and your router.
2. Using a computer which also connected to the same router as DVR.
3. Download and running "Device manager" tool in computer.
4. Click "IP search" to find DVR's IP then upgrade its firmware.

If you don't have "DeviceManager" tool installed in your computer, you can download from this webpage https://www.unifore.net/analog-surveillance/ip-camera-dvr-nvr-tool-download-device-manager.html