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Step 8: Set up the Dexcom
ONE app (optional)
1. Go to the app store on your smartphone.
2. Search for Dexcom ONE.
3. Download and open the Dexcom ONE app.
4. Follow the onscreen instructions, including
instructions to turn on alerts.
Read the Dexcom ONE User
Guide
Learn how to:
• Use your system safely
• Read your home screen
• Set and use alerts
• Make treatment decisions
• Start a new sensor session
• Reuse your transmitter
• Troubleshoot issues
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