I never said that you did use a T9, you're the one with the magical T8 that removes all T8H screws, remember? If you like I'll send you some from Wireless 360 controllers that I guarantee you aren't going to be able to do jack squat with a T8 or T9 and will need a T8H, plus I've already gone thru a bunch of these screws and proved that SOME, but not all, CAN be removed with a regular T8/9 bit, so it's not my panties that are in a bunch, I've proven your side of it for some of the screws that are in the things.
I've taken apart hundreds of controllers, that's thousands of screws and a regular T8/9 would not have removed all of them, you've been lucky so far and that's it.
To everyone else, if you want to remove the screws in the Wireless controllers properly and be sure that you'll be able to get all of them out without having to break a pin out of one or risk getting them all out but 1 that a regular T8/9 just isn't going to, then get the right tool from the start, all there is to it.
Closed since this is going nowhere and anyone that's read this mess to this point can make a decision on their own or find out for themselves what does and doesn't work on their own controller.