JBL Tune Flex Right Earbud Stuck in Mono Mode and Won’t Charge
I purchased my JBL Tune Flex earbuds less than a year ago and have not even used them daily. Recently, the right earbud got stuck in mono mode, and no amount of resetting has resolved the issue. As a result, it won’t charge at all. I specifically chose JBL because of its reputation for quality, and ...










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