New Nintendo 3DS Pokemon Edition screen replace

My son's New 3DS Pokemon Pokeball edition has a dead lower screen. Has anybody here replaced one? Looking for advice on how you may have done it.

I've soldered in a new cartridge slot, so I've been in one. Haven't replaced a screen though. IFixit and Youtube both have detailed guides for that though.

I got my screen in, and seem to have lost my Y screwdriver. Sometimes...