2 year warranty
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HX7428/02
HX742A
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Do I need an Alexa device to reorder replacement brush heads for my Sonicare?
How do I reorder Sonicare replacement brush heads with Alexa?
How do I disable the Sonicare brush head reordering service?
Get started with your replacement toothbrush
In which countries is the Sonicare app available?
Why does my Philips Sonicare app require permissions?
Which devices are compatible with the Sonicare App/Sonicare for Kids App?
Check the terms of your warranty and start a product exchange or repair