Easy just look at the connectors. I've never used anything except a very small screwdriver to release the catch and needle nose. That is unless they've been hot and "melted" into the plastic. Then you put your thinkin' cap on
Easy to see the little spring latch at the top of the photo
And here the catch is the little funny tail at top left, just gently pry it over or squeeze the edges of the thing with needle nose