2 year warranty
The information on this page applies to the following models: HX9903/15, HX9903/05, HX9903/45. Click here to show more product numbers ›
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?
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?
Can I replace the battery of my Sonicare toothbrush?
What do the symbols on my Sonicare toothbrush mean?
How do I charge my Sonicare toothbrush?
How does the pressure sensor feedback work on my Sonicare toothbrush?
How do I register my Sonicare toothbrush?
What are the brushing modes for 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?
How to clean my Philips Sonicare toothbrush?
Other useful links
Need help with your product?
Looking for something else?
Discover all Philips Support options