I mistakenly installed the firmware for a AVIC-5200NEX on to my AVIC-5201NEX unit which wiped out my navigation as well as a few other features. I want to revert to previous firmware; the proper one for the 5201, but understand that Pioneer makes this very difficult. As I cant afford to send the unit in for "repair" (or the cost there of) and seeing as I am certain there is a way to achieve this with the proper information, I am hoping that someone on the forum might have the work-around? Please respond and let me know ASAP. Cheers all. Warmly, m
UPDATE: So, after several weeks of