How to change Device Type (Model)Text change ?(Dahua Device)

hi,

I have many dahua OEM and I want to change Device type (Model) Dahua devices ,How can i?

I access to telnet.

please help me!

hi,

I have many dahua OEM and I want to change Device type (Model) Dahua devices ,How can i?

I access to telnet.

please help me!

pd-x.cramfs.img