First-Time Setup

Inserting and Starting your Sensor

Where can I insert my Dexcom G7 sensor?

Dexcom G7 sensors may be inserted on the back of the upper arm, the abdomen (not indicated for pregnant women), or the upper buttocks (ages 2-6 years old only).

Why does the Dexcom G7 app ask for my location?

The first time you start the Dexcom G7 app, it verifies that the country you are in matches the country of residence in your account. This ensures you will get the resources and features approved for use where you are currently located.

Why can’t I press the applicator button?

Press the applicator more firmly against your skin before pushing the button. You can’t press the applicator button until you push the applicator so firmly against your skin that the clear safety guard pushes in.

Troubleshooting Dexcom G7 sensor insertion and overpatch application on the back of the arm

Ask a friend, family member, or healthcare provider to help insert your first Dexcom G7 sensor and overpatch...

Setting Up Your Smartphone

How does the Dexcom G7 Apple Widget work?

The Dexcom G7 Apple widget lets you see your glucose numbers on your lock screen or home screen without opening the app.

How do you install the Dexcom G7 Apple Widget?

To install the Dexcom G7 Apple Widget, you must first update your Dexcom G7 App to version 1.7.0 or later via the App Store.

What are the recommended Dexcom G7 Android smartphone settings?

Your smartphone settings can prevent the Dexcom G7 app from working optimally and may prevent notifications or may override alert volumes or functions.

Why does the Dexcom G7 app ask for Location Permission when used on Android smartphones?

The Android Bluetooth implementation we use for OS 10 and 11 requires you to give us this level of Location Permission so we can connect and communicate continuously with the Dexcom G7 sensor.