1) The battery of my MS820 drains quickly. When the PDA is off the life of battery is almost less 2 days
. I did a factory reset but the problem still exist. What's your MS820/WM720 battery life? 2) I installed Garmin navigation on my MS820. When I'm using the navigation software and I temporarily turn off the PDA by its power switch, the screen goes black but I still hear the voice of navigator.
what's wrong with my MS820?

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