Introduction
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            To remove the battery from the casing, grab the front panel and back panel with opposite hands (as shown). The back panel is the same as the battery. 
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            With your index finger, push in the button on the bottom of the battery to release it. 
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            Pull the battery away from the phone. 
 
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            After removing the battery, the SIM card is accessible. Locate the SIM card casing at the bottom right of the back of the front panel casing. 
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            To remove the SIM card, using your index finger, carefully lift up and rotate the plastic casing. 
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            Then, the SIM card easily slides out of the casing. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.