Compatible model:
NVR-NV54A24-P24-4K-S2
NV52A32-4K-S2
Release date: 2024-07-17
Please download here:
General_NVR5XXX-4KS2_MultiLang_V4.002.0000000.7.R.240717.bin
Note
If your current firmware built date is within or under 2018, please contact us for further action, do not try to use the firmware above directly to upgrade your device