H.264 DVR firmware upgrade tool

Let's talk about the H.264 DVR firmware upgrade tool that allows you to connect to your DVR using your PC. This software is free.

If you are using a generic non-branded H.264 DVR and don't know which is the software you can use to upgrade it, this article is for you.

Many of the inexpensive DVRs manufactured in China use a similar chipset from the company HiSilicon, the upgrade tool works with devices that have the following chipsets Hi3520A, Hi3520D, Hi3521, Hi3521A, Hi3531, Hi3531A, Hi3535, Hi3536.

You can download the DVR device manager which works with these types or DVRs and test it out to see if the software works for you.

What is the DVR firmware upgrade tool?

It's the "all in one CCTV DVR firmware tool" designed to help the users to manage their device via local the local network using a PC or laptop.

This software is considered the best way to update the DVR firmware remotely.

How to update a H.264 DVR firmware

Just follow the steps to update your H.264 DVR firmware

  1. Download and install the DVR device manager in your PC
  2. Make sure the DVR and the PC are in the same local network
  3. Open the DVR device manager and click on "IP Search"
  4. Select the device from the list
  5. Click "Browse" and look for the firmware in you PC
  6. Click "Upgrade"

You can find a list of firmware for the H.264 DVRs based on the HiSilicon chipset in the link below:

See the pictures below that illustrate the DVR firmware upgrade process.

Search for the DVR...

H264 DVR Update Tool IP Search

Click the " Browse" button to look for the firmware file on your PC.

H264 DVR Update Tool Browse

Select the firmware file.

H264 Update Tool Filename

Click the "Upgrade" button.

H264 DVR Update Tool Upgrade

And it's done. Your H.264 is not updated.

Check if your device is on the list and follow the instruction in this article.

It's not 100% guaranteed that the upgrade will work for your device.

Some models simply don't work. It's a try and error process.


The H.264 DVR software update works for DVRs based on the HiSilicon chipset and you just need to try it out on your H.264 standalone DVR.

I hope this article can help you to update your device.

Just in case you lost the password for your DVR, and can't have access as administrator, please read the article  " How to reset H.264 DVR.

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