Has anyone else had this problem, and more importantly - found a solution?
Spent multiple hours today trying to downgrade the firmware on a new MP60 so I can connect it to my WXM/Apex system. Punch line, Failed.
Followed instructions on echotech site&video. Used Mobius to downgrade firmware, failed. But no longer visible on Mobius. Couldn't find it with Echo Smart Live, couldn't find it with Apex WXM. Re-Upgraded back to latest firmware with Mobius, by upgrading a legacy dev