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Philips Sonicare DiamondClean Smart 9400 Sonic electric toothbrush with app
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HX9917/90
HX992S
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Register within 90 days after purchase and get an extended warranty (conditions may apply).
Localised commercial leaflet - English
User manual - English
All (17)
Can I sync the Sonicare app with the Apple Health app?
How do I charge my Sonicare toothbrush?
Which devices are compatible with the Sonicare App/Sonicare for Kids App?
How do I register my Sonicare toothbrush?
In which countries is the Sonicare app available?
G3 Premium Gum CareStandard sonic toothbrush heads
My brush head is difficult to attach or remove.
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