The Moment is a midrange USA-exclusive slate QWERTY slider Android smartphone released by Samsung in November 2009 for use on the Sprint (now T-Mobile) network. Identifiable by model number M900.
It is possible that the battery is either dead and in need of charge, or damaged and unable to charge. First try plugging your phone into the charger, but if this doesn't work, you may have to replace the battery.
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