2 year warranty
Philips Support
How many buttons are on my Sonicare 9900 Prestige?
The Sonicare 9900 Prestige has two buttons on the front of the handle.
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The indented button (top button) is to turn the Sonicare 9900 Prestige on and off.
- The intensity indicator is also a selector button but does not have an indentation on the handle. Press the area where the three lights are located to select or change your intensity, either before or during brushing.
The information on this page applies to the following models: HX9992/31, HX9992/42, HX9992/11. Click here to show more product numbers ›
Frequently Asked Questions
How does Sonicare 9900 Prestige work with the app?
Can I use Sonicare 9900 Prestige if I wear braces or have dental modifications?
How can I safely dispose of the battery from my Sonicare 9900 Prestige toothbrush?
How do I charge my Sonicare 9900 Prestige handle on the charging base?
How many buttons are on my Sonicare 9900 Prestige?
How does the brushing guidance work in the Sonicare app?
How can I recycle my Philips Sonicare Toothbrush?
Do I need an Alexa device to reorder replacement brush heads for my Sonicare?
How do I enable or disable the pressure sensor on my Sonicare?
How do I reorder Sonicare replacement brush heads with Alexa?
How do I disable the Sonicare brush head reordering service?
Can I sync the Sonicare app with the Apple Health app?
Which brush head fits my Sonicare toothbrush?
In which countries is the Sonicare app available?
How do I change the intensity settings on my Sonicare toothbrush?
Which devices are compatible with the Sonicare App/Sonicare for Kids App?
What do the symbols on my Sonicare toothbrush mean?
Can I replace the battery of my Sonicare toothbrush?
How do I register my Sonicare toothbrush?
What are the brushing modes for my Sonicare toothbrush?
How does the pressure sensor feedback work on my Sonicare toothbrush?
How do I charge my Sonicare toothbrush?
Can I use my Philips Sonicare Toothbrush in the shower?
How do I connect my toothbrush to the Sonicare app?
How do I brush my teeth using the Sonicare app?
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