This one here, on MightyMikes thread "Touch Pro 2 Tweaks, Hacks, Tips & Modifications"
ftp://ppcgeeks.com/Touch%20Pro%202/U...odem%20Fix.cab
once you install it, select "sprint" instead of "phone as modem" from ICS, wifi router seems to only show me sprint as an option anyways, which is why it worked before