Before downloading any files, navigate to your recorder's local interface and follow these steps: Right-click on the screen and open the . Navigate to System > Info > Version (or About ).
Click and locate the downloaded V4.02.r11 file stored on your PC hard drive.
If you are prompted for a password during the upgrade or login: : admin Password : (Leave blank), 123456 , or 888888 . V4.02.r11 H.264 H.265 Dvr Nvr Firmware Download
Cause: The file is corrupted, or it does not match your specific mainboard hardware ID.
If a user owns a DVR or NVR from a brand that does not manufacture its own chips, it is highly likely the motherboard was supplied by Xiongmaitech. Consequently, third-party brands selling Xiongmaitech hardware often use identical firmware. Before downloading any files, navigate to your recorder's
Recommendation: Cross-check the device model number, current firmware version, and release notes before proceeding.
Specifically designed for HiSilicon chips such as the Hi3520, Hi3521, Hi3531, and Hi3536 series. If you are prompted for a password during
After the update, it is highly recommended to perform a "Factory Reset" to ensure the new V4.02.r11 settings take effect properly. This will clear your passwords and network settings, so ensure you have your login credentials ready.
The "V4.02.r11" designation is a specific version often associated with OEM (Original Equipment Manufacturer) recorders, particularly those built around . These chipsets are widely used in various budget-friendly surveillance products sold under many different brand names like Floureon, Qiaoan (乔安), SarmatT, and others.