Introduction
Tools
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            Once you remove the rim cover, you should find two more screws on the top. Unscrew them using the T6 screw driver. 
 
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            Peel off the three ribbon cables 
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            The cable circled in yellow is glued to the silver cap. Pull the ribbon cable upward towards the battery area. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.