11-05-2012 05:06 AM
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If device fall from a height it can cause severe damage to our BlackBerry Device.Meanwhile try a Battery Pull Restart like this device POWERED ON remove the Battery wait for a min. then reinsert it back ,wait till our device takes a long reboot , see if that helps.
If not then please try this Knowledge Base :
KB03621 : How to Reload BlackBerry Device Software and application using BlackBerry Desktop Software.
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