Introduction
When replacing the speaker motherboard is important to use this as a last resort if your speaker is not turning on. The buttons could be not functioning and that would be a problem with the charging base motherboard or simply cleaning the buttons. The reason to replace the speaker motherboard would be if the ON/OFF switch is broken and not working at all. This guide will show you how to replace the speaker motherboard.
Tools
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            Pull back the rubber corners to uncover the bottom screws. 
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            Continue this process for all four 10 mm screws. 
 
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            Remove the wires from the speakers battery using the tweezers or by gently removing them by lightly pinching. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.