Healthy lifestyles start here. Sign up and get exclusive offers
Electric toothbrushes
All series
Philips Sonicare DiamondClean Smart Sonic electric toothbrush with app
Discontinued
Support
HX9944/02
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
Data Act Document - English
Eco Passport
All (25)
In which countries is the Sonicare app available?
How does the brushing guidance work in the Sonicare app?
Can I exchange points in the Philips 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?
Standard toothbrush variety pack
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 is not vibrating
Check the terms of your warranty and start a product exchange or repair
Warranty
Our product warranty policies
Contacting Philips
We're happy to help you