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Electric toothbrushes
All series
Philips Sonicare DiamondClean Sonic electric toothbrush
Discontinued
Support
HX9312/04
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User Manual
All (14)
In which countries is the Sonicare app available?
How does the brushing guidance work in the Sonicare app?
How long should my Sonicare toothbrush battery last?
Why is there a gap between my brush head and handle?
How do I charge my Sonicare toothbrush?
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 turns off by itself
My Sonicare toothbrush is vibrating less powerfully
Contacting Philips
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