Firmware for newer dahua cams as well as detailed specs available here

[Magren]

first flash this firmware V2.800.0000000.19.R.200628, then V2.820.0000000.28.R.210323 or latest

Thank you sir! Jumping via V2.800 to V2.820 worked like a charm. How do you even know that info?

 

[shelestoff]

Thank you sir! Jumping via V2.800 to V2.820 worked like a charm. How do you even know that info?

Experience...
Since 2017 in love with Dahua

 

[jocy]

Hello, I'm looking for a firmware update but no luck so far...

the device is
IPC-HFW2831T-ZS
V2.800.0000000.7.R
2021-07-08

thanks