NVR
00000058(NBD5504T-FE(NVR))firmware
Version:V4.00.R10.00000058.1 or V4.00.R10.00000058.0 Download
The red part is the version of the device as well as the hardware information; in the device version information, as long as the red part of the data is the same; you can use this program to upgrade the firmware
Upgrade steps:
1.check the version information of the device; find the version information in the red area;
2.log on the official website to download the latest correspondence procedures;
3.upgrade firmware