Do I need to do anything fancy if I am going to downgrade from 2.55MPto 2.43 on a ti-84 + SE?
Press MODE, then Alpha+S. If the boot code version is 1.00 or 1.02, you can simply send 2.43 to your calc and it'll work. If it says 1.03, it's much trickier.
I got 1.03
Yet I still downgraded