Diff between 570H and Sunny modles?

Hello to every one in this forum ,
this is my first post:45:

Is there any difference between kaon model KSC-570H and kaon sunny?

Is there any difference between Cam.*** file and Kee+ file?

Can I use Cam.*** file on my kaon Ksc-570H model because I can't see
digi and premier.Only polsat and tps with some times tps channels freeze.

My Kaon s/w and h/w version are:

Model: Ksc-570HZ
Info: 20.05.22-D43E
S/W: v03.05.05
H/W: v13.41.6D
Loader: v6.1.9
CA: 2.2.14
PVR: 1.9.1


Thanks for any help