The difference between A12 and A15..

Ok guys!!!!!!!! so this is it, maybe for some of you guys your wondering they both look the same.. so i'll let you guys guess which is the A15 and which is the A12..... hahahahhaha ok so now since you guys have your own answers the correct answer if your asking which is the A15, its the top pic.. and the bottom is the A12.. not much of a difference right?? thats why they say you can take it out and put it in, its like a mirror image of the A12... so now you guys know how to do it right? if you guys have any questions please do ask.... how old or what where who how, doesn't matter, even if your looking at this from 10 years from now you still can ask me.. i'll make sure i keep this page going.. i want people to look and get tips from this blog... so yeap thats all for now.. hahahahha.. will update you guys once i have new upgrades... hope you guys enjoy the run for the timebeing...