“How to revert back to stock firmware. As i found bass is rather weak on 0.4.4 and mids is too high.”

1-1 of 1 Answer

• Unfortunately, once the speaker has been updated, it can't be reverted to its previous firmware. We'd like to work with you directly about your JBL Boombox 2. Please contact Customer Support at. https://bit.ly/2WocMfi

  Answered by JBL Support 4 years ago

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