Troubleshooting & support
Philips Sonicare 9000 series Sonic electric toothbrush
HX9911/68
HX991K
Selected color
Silk Pink to White Gradient
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Frequently Asked Questions
- What do the battery status lights indicate on my Sonicare toothbrush?
- Can I replace the battery of my Sonicare toothbrush?
- How do I charge my Sonicare toothbrush?
- How do I register 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?
- Can I sync the Sonicare app with the Apple Health app?
- What do the symbols on my Sonicare toothbrush mean?
- How does the brushing guidance work in the Sonicare app?
- How does the pressure sensor feedback work on my Sonicare toothbrush?
- Can I use my Philips Sonicare Toothbrush in the shower?
- In which countries is the Sonicare app available?
- What are the brushing modes for my Sonicare toothbrush?
- How do I change the intensity settings on my Sonicare toothbrush?
- Which brush head fits my Sonicare toothbrush?
- How to clean my Philips Sonicare toothbrush?
- How do I connect my toothbrush to the Sonicare app?
- How do I brush my teeth using the Sonicare app?
Troubleshooting & repair
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Warranty and service
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