“My JBL speaker's battery is failing is there a way to upgrade firmware?”

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• Mine was too upgraded firmware no luck. Battery lifespan horrible

  Answered by Bradlee 6 years ago

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• We would like to get more information to help you out, please contact us so we can assist you: https://bit.ly/2zwFkYM

  Answered by JBL Support 6 years ago

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