Technically, the OP had done that several times, assuming they followed the Phonak instructions, and/or my instructions I gave near the top of the thread.
The restart from Target (or whatever) may have reset more than just the “power” cycling of the HA. Obviously, the neither button-off nor the charger-off of the Marvel-R’s really turn it off; it’s always on, though in a deep sleep mode, checking for button presses or charger disconnect. The restart from Target may have initialized any static variables in the HA software, akin to a “cold boot” of a computer as opposed to a suspend/resume cycle.