OpenGD77

I am trying to download database to my radio open gd 77 no luck.
I go to extras than to download database ,top left region , once downloaded write to radio .
No call signs yet showing on handheld got to be doing something wrong ?

Does anyone know where I can download the cps file for the open GD 77 ?
I am trying to put that open GD 77 on a Tyt UV 380  


Thanks Jim