This guide will allow you to remove and replace the speaker inside of the Logitech Circle. This guide is relatively simple, but requires the removal of several screws and gently prying out the speaker from the base. Be sure to keep the screws organized for easier reconstruction.
Wedge the plastic opening tool under the black circle lens to gently pry it off.
Remove the four 3mm Phillips #0 screws that hold down the first ring.
Remove the four 3mm Phillips #0 screws that hold down the second ring.
Remove the four 3mm Phillips #0 screws that hold down the final ring. Do not remove the lens/battery bundle yet.
Gently remove the lens/battery bundle from the base of the circle, being mindful of the ribbon cable.
Gently pull the ribbon cable loose from the lens/battery bundle.
Locate the speaker attachment, and carefully remove the speaker plug from the lens.
Remove the speaker using a plastic opening tool. The battery is attached with glue, so use gentle prying motions to remove speaker.