IPC failure

[mondeo2015]

I have an IPC from mondeo/s-max/galaxy/edge with firmware from a digital IPC from focus mk4.
Of course it doesn't do anything anymore.Just a white screen and "no configuration"
I would like to reactivate this and put the original firmware back on it.
Is there a way to do this? Any link?
Step by step explanation?Guidance?
Thanks in advance