Introduction
This guide will take you step by step through the process of replacing your Sony Xperia L2 motherboard. This guide will help those who have a inoperable or faulty motherboard to provide a fully functioning motherboard.
Tools
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            Use the plastic opening tool to pry the back case of the phone off. 
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            Disconnect the fingerprint sensor. 
 
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            Unscrew all 10 screws from the top and bottom portion of the phone using a T4 Torx screwdriver. 
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            Use the plastic opening tool to remove the unscrewed top and bottom portion of the phone. 
 
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            Disconnect the battery cable from the motherboard. 
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            Pry up the battery and remove it from the device. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.