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How do I Update the Software on my Dexcom CGM system?

1. Go to

2. Follow the instructions provided

3. Install the Dexcom Update Tool.

4. Update your receiver


For detailed step-by-step instructions please visit the Dexcom Update Tool User Guide.

For a successful update, you need the following: 

  • Dexcom receiver
  • A Dexcom-supplied USB cable
  • Windows or Mac computer with Internet access. Click here for software requirements.

Precaution: If you use Dexcom CLARITY® Diabetes Management Software, use it to download your receiver data before using the Dexcom Update Tool. Updating your receiver software will permanently erase all stored data from the receiver. Updating your receiver software will reset your alerts and alarms. Consult your Dexcom User Guide for more information related to setting alerts and alarms.

Dexcom G6 CGM System FAQ Topics:

LBL015603 Rev003

Interested in getting a Dexcom CGM?

If you are ready to take the next step, the process is simple. Provide us with a few details and we will contact you to begin your order.