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The JBL Charge 4 is a waterproof, Bluetooth capable speaker that additionally functions as a portable charger for smartphones. It is identifiable by its model number: CHARGE4S.

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The lights on my speaker don’t work

How can I fix this? it charges and it works but I can’t tell when it’s charging and I never know when it’s gonna die. Could it be the battery?

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it could be the battery but that would make little to no sense
did it get in submerged in water?
my best guess at the moment would be that the cable that connects the leds at the buttons to the mainboard got loose. So you would need to open it up and look inside if the cable is connected.
for a guide on how to reach that part look here
JBL Charge 4 Buttons Replacement

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