2 year warranty
Support
Philips Sonicare DiamondClean Prestige 9900Rechargeable Toothbrush - Trial Unit NOT FOR RESALE
HX9994/12
HX999B
Manuals & Documentation
Frequently Asked Questions
How does the brushing guidance work in the Sonicare app?
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?
How can I safely dispose of the battery from my Sonicare 9900 Prestige toothbrush?
How do I register my Sonicare toothbrush?
What are the brushing modes for my Sonicare toothbrush?
How do I charge my Sonicare toothbrush?
How does the pressure sensor feedback work on my Sonicare toothbrush?
Can I use my Philips Sonicare Toothbrush in the shower?
What do the symbols on my Sonicare toothbrush mean?
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?
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
Warranty and service
Check the terms of your warranty and start a product exchange or repair