Troubleshooting & support

Philips Sonicare DiamondClean Prestige 9900
Electric Toothbrush with SenseIQ

HX9992/12
HX999B

Selected color

Midnight Blue

View product specifications
HX9992/12 Philips Sonicare DiamondClean Prestige 9900 Electric Toothbrush with SenseIQ
extended warranty
Register your product

Get your extended warranty

Register within 90 days after purchase and get an extended warranty (conditions may apply).

Manuals & Documentation

Frequently Asked Questions

Troubleshooting & repair

Is your product not working as it should? We are here to help. Find the solution here.

Choose subject

Warranty and service

Check the terms of your warranty and start a product exchange or repair
Contact Philips

We are happy to help you

Contact Philips

We are happy to help you

Suggested products

Register

Subscribe to our newsletter

Our site can best be viewed with the latest version of Microsoft Edge, Google Chrome or Firefox.