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Speaker sound is distorted or crackling
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Speaker microphone is not working during calls
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Speaker voice prompts or notification sounds are too loud
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Speaker connects to the wrong device automatically
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Speaker does not remember paired devices
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AUX mode is not working
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USB / Pen drive audio is not playing
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FM radio is not working (for models with FM support)
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Speaker takes too long to charge
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Speaker shows charging but battery percentage does not increase