Introduction
If your Zerodate T26 mouse has a broken scroll wheel or a scroll wheel that is too dirty to clean without disassembly, then this step-by-step guide on the replacement of the scroll wheel is for you! All you need is a simple plastic opening tool to pry the top and a Phillips #00 screwdriver to remove the plates. Replacement scroll wheels can be ordered online.
Tools
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Remove the top shell of the mouse by using the iFixit opening tool to carefully pry the top shell apart from the bottom plate.
 
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Carefully pull the middle shell apart from the bottom plate.
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The circuit board should then be visible and attached to the bottom plate.
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.