IPC-HDBW4300R-Z firmware upgrade

[cleaudevink]

I would like to upgrade my IPC-HDBW4300R-Z camera. It's an Ali Express version.

I tried this file:
ftp://ftp.asm.cz/Dahua/kamerove_systemy/_Firmware/04IPC/03-Eco-savvy/DH/DH_IPC-HX5(4)XXX-Adreia_Eng_P_Stream3_V2.420.0009.0.R.20151106/

and this one:
ftp://ftp.asm.cz/Dahua/kamerove_systemy/_Firmware/04IPC/03-Eco-savvy/General/General_IPC-HX5(4)XXX-Adreia_Eng_P_Stream3_V2.420.0009.0.R.20151106

It is accepted by the upgraded daemon, but afterwards it reboots 5 times and reverts back to the current (old) version.

Which file should I use?

Do all the asm.cz version have permanent telnet enabled?

 

[spring2017]

you should upgrading again by the hacked firmware . I can solve it .