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2 year warranty
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Electric toothbrushes
All series
Philips Sonicare DiamondClean Smart Sonic electric toothbrush with app
Discontinued
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HX9985/11
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User Manual
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Can I replace the battery of my Sonicare toothbrush?
What do the symbols on my Sonicare toothbrush mean?
Can I exchange points in the Philips Sonicare App?
Can I use the Philips Sonicare Brush Head reordering service outside the United States?
Do I need an internet connection for the Sonicare Brush Head reordering service?
C3 Premium Plaque ControlStandard sonic toothbrush heads
G3 Two-in-one4-pack brush heads
TongueCare+Tongue brushes
C3 Two-in-one2-pack brush heads
C3 Two-in-one4-pack brush heads
G3 Two-in-one2-pack brush heads
W3 Premium White2-pack standard sonic toothbrush heads
C3 Two-in-one3-pack brush heads
G3 Two-in-one3-pack brush heads
G3 Premium Gum CareStandard sonic toothbrush heads
My brush head is difficult to attach or remove.
I cannot connect my toothbrush to the Sonicare app
My brush head falls off my Sonicare toothbrush
My Sonicare toothbrush is not vibrating
My Sonicare toothbrush turns off by itself
Check the terms of your warranty and start a product exchange or repair
Start a product exchange
Apply for a warranty replacement product from Philips
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