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Speaker works only when plugged in

Hello,

I bought a JBL Flip 5 to a shop. I got a price cut because it was the one that was available for testing at the shop.

BUT, I don't seem to be able to actually use it like a regular speaker, and I can’t get it back to the shop (far away).

What happens is that when it’s not plugged in to a power source it won't turn on.

When it's plugged to a power source it turns on by itself and no button is functioning. But my computer (running Debian GNU/Linux) sees it as an external soundcard (that is well done jbl!).

I am computer savvy so I have been trying many tricks to unlock it, exit whatsoever demo mode, by keeping Power and + pressed for 30 seconds, while plugged and while not; same with Power and Bluetooth; actually I tried every combination of power with other buttons and Bluetooth with other buttons, when plugged and when not, to no avail.

I also dismantled it and checked the battery state: it's absolutely full.

When I plug the speaker only the power button lights up, then the charging led (white), then the jbl sound, then that's it.

Is there something to do or am I stuck with a good but rather old-style batteryless wired speaker?

Thanks a lot!

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I had the same exact issue with my speaker as well. I sent it to the local JBL repair shop (it was covered by warranty) and they fixed it. When I asked what was the problem they said there was an issue with a ribbon cable.

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I’m having the same issue but I’m pretty sure my warranty is done

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Kim mobile さん、ありがとうございました!
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