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    Troubleshooting and support

    Philips Sonicare
    DiamondClean 9000 HX9911/09 Sonic electric toothbrush with app

    Model number

    HX9911/09

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    HX9911/09 Philips Sonicare DiamondClean 9000 HX9911/09 Sonic electric toothbrush with app
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