2 year warranty
The information on this page applies to the following models: HX7427/01, HX7421/06, HX7422/03. Click here to show more product numbers ›
Get started with your replacement toothbrush
How do I register my Sonicare toothbrush?
Can I replace the battery of my Sonicare toothbrush?
In which countries is the Sonicare app available?
Why does my Philips Sonicare app requires permissions
How do I use my Sonicare UV Sanitizer?
How do I change the intensity settings on my Sonicare toothbrush?
Which devices are compatible with the Sonicare App / Sonicare for Kids App?
How do I connect my toothbrush to the Sonicare app?
How to clean my Philips Sonicare toothbrush?
Looking for something else?
Discover all Philips Support options