Healthy lifestyles start here. Sign up and get exclusive offers
2 year warranty
Electric toothbrushes
All series
Philips Sonicare DiamondClean 9000 Rechargeable toothbrush
Support
HX9911/92
HX991M
Go to shop
Log in or create an account
You instantly have access to manuals, tailored support and more. Plus it’s quick and easy
UK Declaration of Conformity - English (US)
User Manual
All (18)
How does the brushing guidance work in the Sonicare app?
How do I enable or disable the pressure sensor on my Sonicare?
Can I sync the Sonicare app with the Apple Health app?
How do I register my Sonicare toothbrush?
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 Sonicare toothbrush is not charging
My Sonicare toothbrush vibrates too powerfully
My Sonicare toothbrush turns off by itself
Contacting Philips
We're happy to help you