Warranties & Returns

I’m having an issue while using my product(s). Who do I contact?

Last Updated · August 5, 2022

For technical support, including product troubleshooting or replacement enquiries, please complete a Product Support Request.

5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system, from getting started, your first 10 days, to using Dexcom ONE in the long run.

Step 1: The basics of CGM
Step 2: Getting started
Step 3: Your first 10 days
Step 4: Using Dexcom ONE in the long run
Step 5: Understand your Diabetes trends