I've seen a couple of 100% catch rate cheats but so far I haven't gotten anything but movement speed to work.Btw you can do this with this cheat
QR Scan Point 100 v1.0
D3000000 00000000
6067206C 00000000
B067206C 00000000
B0000024 00000000
B0000004 00000000
2006960B 00000064
D0000000 00000000