Access the recorder via a web browser (Chrome, Edge, Firefox) using its IP address and navigate to System > Upgrade to apply the .bin file.

If you prefer a manual approach or have no internet at the site, you will need a FAT32-formatted USB drive.

If an update fails, it is often due to using the wrong version (e.g., trying to use "I3" firmware on a non-I3 model). XVR5104HS-I3 - Zhejiang Dahua Technology Co., Ltd.