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We are here to help and answer any questions you might have. Below we have gathered the top queries we receive when people get in touch with us.
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Access our training videos
Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE system.
Step 2 – Getting started with Dexcom ONE
Step 3 – Your first 10 days with Dexcom ONE
Step 4 – Using Dexcom ONE in the long run
Step 5 – Understand your Diabetes Trends
A question about your order?
Find answers to the most common questions on ordering, payment, shipping and warranties.
Your user guides
Your Dexcom ONE user guides are also available to download in pdf format.
Smartphone compatibility
Check the compatibility of your smartphone with the Dexcom ONE app.
Technical Product Support
Get in touch with our Technical Support team using our online form.
Need additional help with Dexcom ONE or help placing an order?
Product support
For product troubleshooting or replacement enquiries, please complete a Product Support Request.
Office opening times: Monday to Friday 09:00 - 18:00
Orders and shipment support
Our online tools provide the quickest method of solving any potential issues. You can contact our customer service and order enquiries team below:
Office opening times: Monday to Friday 09:00 - 18:00
Office opening times: Monday to Friday 09:00 - 18:00
Still need help? We can call you back.