I found this on another thread. My megaboom would only play when plugged in and this fixed it;
With the speaker plugged in, on, connected to a phone and playing music, pause the music(so you don’t blow the speaker or your own ears), then hold the volume up on the speaker until it starts making the limit noise. Keep holding the up button, it’ll keep on beeping and unplug the speaker. Lower volume on phone and then click play and speaker should be working
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Bought this in April 2017, Loved the performance until now . It will not respond or reset.
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