Troubleshooting & support
1100 Series Sonic electric toothbrush
HX3641/01
HX364W2
Log in or create an account
Register your product
You instantly have access to manuals, tailored support and more. Plus, it's quick and easy.
Frequently Asked Questions
- Why there is no adapter provided with the product?
- How long should my Sonicare toothbrush battery last?
- How does the pressure sensor feedback work on my Sonicare toothbrush?
- How do I register my Sonicare toothbrush?
- Which brush head fits my Sonicare toothbrush?
- How do I use my Sonicare toothbrush?
- How to clean my Philips Sonicare toothbrush?
