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The Logitech MegaBoom 3 is a portable Bluetooth speaker manufactured by Ultimate Ears in 2018.

1 Questions View all

Speaker keeps misreading battery percentage?

Speaker will say 100% while it is plugged in but after being unplugged and turned back on it reads a different percentage.

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1 Answer

Charge the portable speaker in the off state to 100% (the LED lights up constantly), then turn it on and put it on charge until the LED lights up again. If it didn't help - after full charging, press volume plus (perhaps volume minus) and the power button until you hear a characteristic sound.

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Tommie L Mckinnie will be eternally grateful.
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