OontZ Angle 3 Motherboard Replacement

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Locate the soldering connections for the battery on the motherboard and the wires for the speakers.
Use the soldering iron to disconnect the battery wires from the motherboard.
Use the soldering iron to disconnect the speaker wires from the motherboard.
When reconnecting the battery and speakers to the new motherboard, be careful to make the connections to the correct nodes as well as establish a complete connection, as the speakers could break with an incorrect connection and the battery risks overheating or erupting in flames if corrected incorrectly or poorly.

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