Front speaker issues may be resolved by replacement.
Use an iFixit opening tool to pry the back cover away from the device by pulling it outward from the bottom left corner.
Remove the nine 2mm JIS #00 screws securing the mid-frame.
Excessive force may cause damage to the device.
Use an iFixit opening tool to gently lift the front speaker from its compartment at the top edge of the motherboard.
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