My iFly (19 months old) has taken to shutting off whenever I remove the power connector (or shut external power off).  No warning message, just off right now.  Doesn't do it every time, but most of the time.  Plus I cannot get it to turn on unless it is connected to external power.  The little battery charge indicator shows a full battery.
  And, yes, I checked that the little bat switch is in the "on" position.
  Other than this little issue, everything works great.  I love the continuous improvement you guys are doing!
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