Download original image from openpli site and follow these instructions.
1 - go by FTP to your box
2 - open folder (lib / modules / extra /
3 - copy all .*.ko files to your PC
4 - Power off dreambox, hold the button and power on (keep holding)
5 - Open the IP adres shown on the display
6 - Flash the OpenPli image
7 - Reboot the box
8 - fixed ca error by flashing ssl84 (use DreamBox-OptiFlasher, choose option repair CA error and use simstar SSL 84)
9 - FTP again to you box and put the drivers to the proper folder