Troubleshooting & support
Philips Sonicare DiamondClean Smart 9400 Sonic electric toothbrush with app
HX9917/90
HX992S
Selected color
Grey
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Manuals & Documentation
- User manual PDF file, 6.0 MB
October 7, 2021 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - User manual PDF file, 7.8 MB
April 25, 2024 - Localised commercial leaflet PDF file, 541.6 kB
May 5, 2025 - EU Declaration of conformity PDF file, 674.0 kB
April 22, 2025 - UK Declaration of conformity PDF file, 46.7 kB
May 10, 2025
Frequently Asked Questions
- Can I use my Philips Sonicare Toothbrush in the shower?
- Can I sync the Sonicare app with the Apple Health app?
- How does the brushing guidance work in the Sonicare app?
- Can I replace the battery of my Sonicare toothbrush?
- How do I change the intensity settings on my Sonicare toothbrush?
- Which brush head fits my Sonicare toothbrush?
- How does the pressure sensor feedback work on my Sonicare toothbrush?
- Which devices are compatible with the Sonicare App/Sonicare for Kids App?
- How do I enable or disable the pressure sensor on my Sonicare?
- How do I register my Sonicare toothbrush?
- In which countries is the Sonicare app available?
- What are the brushing modes for my Sonicare toothbrush?
- What do the symbols on my Sonicare toothbrush mean?
- How do I charge my Sonicare toothbrush?
- How do I brush my teeth using the Sonicare app?
- How to clean my Philips Sonicare toothbrush?
- How do I connect my toothbrush to the Sonicare app?
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