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When the E815 becomes unresponsive, removing and replacing the battery is often the first and best solution.
To replace the battery, you are going to:
- Remove back cover
 - Remove Battery
 - Replace Battery
 
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Locate the back cover release slide.
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Use your finger to slide it down.
 
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Remove the back cover by pulling it away from the phone.
 
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Locate the battery removal slot.
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Use your finger to pull the battery out from the top.
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Remove the battery.
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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