Troubleshooting & support
Sonicare 9900 Prestige Power Toothbrush with SenseIQ
HX9992/21
HX999C
Selected color
Champagne
Register your product
Get your extended warranty
Register within 90 days after purchase and get an extended warranty (conditions may apply).
Manuals & Documentation
- User manual PDF file, 3.6 MB
October 6, 2021 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 6.5 MB
September 13, 2024 - User manual PDF file, 1.9 MB
August 17, 2022 - User manual PDF file, 1.9 MB
August 17, 2022 - Localized commercial leaflet PDF file, 646.1 kB
April 15, 2025
Frequently Asked Questions
- How do I connect my Philips Sonicare 9900 Prestige toothbrush to the Sonicare app?
- How does the Scrubbing Feedback feature work?
- How does the Adaptive Intensity feature work?
- How do I activate the Scrubbing Feedback on my Philips Sonicare?
- How do I turn the Adaptive Intensity feature on and off?
- What features can I activate or deactivate from the toothbrush handle?
- How do I know when to replace the brush head?
- How does the BrushPacer work on my Philips Sonicare Prestige Toothbrush?
- What is Sonicare SenseIQ technology?
- How do I change brushing modes on the Sonicare app?
- How do I charge my toothbrush handle with the travel case?
- Can I replace the battery of my Sonicare toothbrush?
- How can I safely dispose of the battery from my Sonicare 9900 Prestige toothbrush?
- Can I sync the Sonicare app with the Apple Health app?
- How does the pressure sensor feedback work on my Sonicare toothbrush?
- How do I change the intensity settings on my Sonicare toothbrush?
- What are the brushing modes for my Sonicare toothbrush?
- How does the brushing guidance work in the Sonicare app?
- How do I register my Sonicare toothbrush?
- Which devices are compatible with the Sonicare App / Sonicare for Kids APP?
- Can I use my Philips Sonicare Toothbrush in the shower?
- How many buttons are on my Sonicare 9900 Prestige?
- In which countries is the Sonicare app available?
- Which brush head fits my Sonicare toothbrush?
- How do I enable or disable the pressure sensor on my Sonicare?
- How do I charge my Sonicare toothbrush?
- What do the symbols on my Sonicare toothbrush mean?
- Can I use Sonicare 9900 Prestige if I wear braces or have dental modifications?
- How do I charge my Sonicare 9900 Prestige handle on the charging base?
- How does Sonicare 9900 Prestige work with the app?
- How do I brush my teeth using the Sonicare app?
- How do I connect my toothbrush to the Sonicare app?
- How to clean my Philips Sonicare toothbrush?
Popular parts and accessories for this product
Troubleshooting & repair
Is your product not working as it should? Find the solution here.
Choose subject
Other useful links
Links that might be useful for a better experience with your product
Contact Philips
We are happy to help you
Suggested products
- Other business solutions
- Other business solutions
- Lighting
- Automotive
- Hearing solutions More
- Contact & support
- Contact & support
- Customer support
- Professional healthcare support
- Company contacts
- Stay up-to-dateStay up-to-date
-
Select country/region
United Arab Emirates (English)
© Koninklijke Philips N.V., 2004 - 2025. All rights reserved.