dgs based cuberevo hd

I a member of sat universe for 47 days with zero posts ,I dont know is this one is a post or what I have cuberevo 250 hd ,i dont now how to use it with cccam sharing because it must updated bu enigma+ i went here and there to pick and collect somthing to do ,sombodt say bring the suitable image and unzip it in usb to unolug reciever ,then plug it pressing power and uparrow and release when you see usb ubdating and then done enjeoy********>but another people say about put the unzippedimage at the usb + ftp +kcc+putty+config. file+ +uboot+telnet.and add IP ans user name and make fdisk and write many commands in in the black screen****can any body choose for me each methode is correct