Getting Started with Dexcom ONE

Your 5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system.
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Step 4 – Using Dexcom CGM in the long run

How to replace your transmitter

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Managing your sensor adhesion

Everyone’s skin is different. Extra care may help you keep your sensor on for the entire sensor session. Here are tips some Dexcom customers have used successfully.
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Recommended phone settings

Some smartphone settings can interfere with your Dexcom ONE app. Check our recommended settings to know which ones you should or shouldn’t use.

Frequent questions about using Dexcom ONE in the long run

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