The latest firmware version of IPC-HDW5541H-AS-PV is
DH_IPC-HX5XXX-Volt_MultiLang_PN_Stream3_V2.820.0000000.5.R.210705
V2.82 is SMD3.0 (Algorithm Version1.0.3)
For more information about "SMD3.0", please go to Dahua website
I don’t know why some people want to slander Dahua for not providing...