Audi TT number plate unit replacement

[chelsea]

Hi guys I've been on every website to find out how to change my number plate bulbs they are led every utube video is different i've tried to take bulbs out although it seems to be the full unit that needs taken out i cant access the bulbs from outside? Anyone else had this problem ?  Any help would be much appreciated! (This is 2015 model all videos I've seen to change these lights are older model & totally different ),