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If you can no longer use your Azpen A740 tablet because the battery no longer holds a charge or has malfunctioned, and you cannot use your device as a result, use this guide to replace the battery.
Before beginning this repair, power off your device and unplug from the charger.
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Use the plastic opening tool or black spudger tool to lift the back panel off the tablet.
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Use the set of plastic opening tools to separate the inner backing from the electronics.
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Use the Phillips screwdriver to remove the 3.8 mm screws, holding the inner backing of Azpen A740 Tablet.
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Disconnect the black, red, and grey wires leading to the battery from the motherboard using a soldering iron.
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Remove the black tape that is holding the battery in place.
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Remove the battery from the case using the blue prying or black spudger.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.