Introduction
The internal speaker is used only during speaker phone mode. To access speakerphone mode, the button labeled "speakerphone" must be pressed. The speaker is not used while the speakerphone mode is disabled. If you are unable to hear the incoming sound when using the speaker phone mode, your speaker may be malfunctioning. Use this guide to replace the damaged speaker.
Tools
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Remove the eight 11mm screws found on the bottom side of the base with a Phillips #00 screwdriver.
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Use a Phillips #00 screwdriver to remove the three 11mm screws to separate the speaker from its base.
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Conclusion
To reassemble your device, follow these instructions in reverse order.