Pretty much the easiest path for most is the OS swap. Get a spare and save your original for backup.

As kur4o pointed out, the Universal Patcher is a great tool as well if if you have a firm...

If you want to keep your 12606960 OS, the only option I know of is HP Tuners.
Considering that .bin is for a '04, your best bet would be a '7603 and edit to your needs. There are multiple '7603...