Different push buttons on my ams

i have my printer with ams about 2 months and today a saw that i have different load buttons in one ams one is thinner with feed writing on it is the motor then also different ore the same

Many “releases” of AMS with physical differences, especially in that tower\feed area - at least 3 that I am aware of from forum posts and pictures etc, mods people have had to remix (feed button on top for example) due to the different versions.