You do your best to repair the component, as you reconnect the pieces your head is once again flooded with knowledge.
"Reality alter function restored":
Now when you use the device can alter reality to make it as if it always was.
Only you the device's operator will remember things as they truly were. You'll also receive an updated set of memories to go along with the new version of reality.
When merging two or more people you'll need to choose who's life shall be "dominant"
Warning use with caution, reality alteration can result in a massive cascade effect.