actaully when sony first found homebrew on firmware 1.00 they patched it up then hackers found a swaploit that sony left and thats how homebrew would be loaded for a little bit then kxploit team came along and found out a way without swappign the memory stick thats y there is two folders in firmware 1.5 one with % and one without so yes there was a swaploit that once worked and it still works but its a hassel