Introduction
This guide details the removal of the rear, bottom and side covers; the frame, motherboard and front cover; and the keypad and trackball of the Blackberry Pearl 8100.
Tools
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            Push the button indicated by the yellow marker to remove the rear cover. 
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            Remove the battery (not pictured). 
 
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            Use the plastic opening tool to loosen the bottom cover, and then remove the bottom cover from the cellphone. 
 
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            With the bottom and side covers removed, the two screws indicated by yellow markers will be visible. 
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            Use the T6 Torx screwdriver to remove the screws. 
 
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            Separate the keypad (first picture) and trackball (second picture) from the front cover. 
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            Lift the piece of plastic that overlays the trackball (second picture). The trackball should then come loose. 
 
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            These are all the parts of the BlackBerry Pearl 8100 completely disassembled. From left to right, the parts are as follows: rear cover, front cover, motherboard, side covers, trackball, keypad, bottom cover, and frame. 
 
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To reassemble your device, follow these instructions in reverse order.