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2 year warranty
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Philips Sonicare DiamondClean Smart 9400 Rechargeable Toothbrush
Discontinued
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HX9985/18
HX993B
Available in
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User Manual
All (25)
How do I charge my Sonicare toothbrush?
Can I replace the battery of my Sonicare toothbrush?
What do the symbols on my Sonicare toothbrush mean?
Can I use my Sonicare charger with other toothbrushes?
Which brush head fits my Sonicare toothbrush?
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 falls off my Sonicare toothbrush
My Sonicare toothbrush is not vibrating
My brush head is difficult to attach or remove.
My Sonicare toothbrush turns off by itself
My Sonicare toothbrush is vibrating less powerfully