Are there any Android/OS settings I should or shouldn’t use with my Dexcom ONE+ app?

Here are some recommended settings for Android devices, to help ensure you get all Dexcom ONE+ app alerts and sensor readings. Visit dexcom.com/compatibility for a list of devices and operating systems compatible with the Dexcom ONE+ app.
The location of each setting may be different depending on your device and operating system version.
Don’t Use These Phone Features
These phone features can prevent the app from working. The app can’t alert you about these phone features.
App Pause
On Android 10 and above, Pause temporarily disable apps. Using Pause with the Dexcom ONE+ app stops all alerts, and sensor readings.
How to exit App Pause?
  1. Long press the Dexcom ONE+ app icon on the desktop or in the app drawer
  2. Tap the pause button to edit App Pause
Focus Mode
Focus Mode disables apps when it is on. Using Focus Mode with the Dexcom ONE+ app will prevent you from seeing all alerts, and sensor readings.
How to turn Focus Mode off?
  1. Go to phone Settings
  2. Find Digital Wellbeing
  3. Turn off Focus Mode, or confirm Dexcom ONE+ app isn't on the Distracting Apps list
Battery Saver Mode
Battery Saver Mode disables the background data. When it is on, your alerts may be delayed.
How to turn Battery Saving Mode off?
  1. Go to phone Settings
  2. Tap on Battery
  3. Turn off Battery Saver Mode, or choose the highest battery performance available
Required Permissions
You must allow these permissions for the app, or it won’t work as designed.
Nearby Device Permission
On Android 12 and above, you must allow Nearby Device Permission for the Dexcom ONE+ app to work.
This permission is needed for the app to access your smartphone’s Bluetooth.
How to turn Nearby Device Permission on
  1. Go to your smartphone’s Settings
  2. Find Dexcom ONE+ in Apps
  3. Tap Notification
  4. Turn on Notification
Notifications
Notifications let you get sensor readings and alerts on your phone. Allow notifications for the Dexcom ONE+ app to work.
How to turn Notifications on?
  1. Go to phone Settings
  2. Find Dexcom ONE+ in Apps
  3. Tap Notification
  4. Turn on Notification
Battery Optimizing
Battery Optimizing prevents the Dexcom ONE+ app from running in the background when you don’t have the app open and displayed on your phone screen. When it is on for the app, your alerts may be delayed. Turn off Battery Optimizing for the app.
How to turn Battery Optimizing off?
  1. Go to phone Settings
  2. Find battery optimizing setting (may be called something different on your device)
  3. Follow your phone's instructions to turn off battery optimizing for Dexcom ONE+
Background Restriction
Background Restrictions prevent the Dexcom ONE+ from running in the background when you don’t have the app open and displayed on your phone screen. When it is on for the app, you won't get alerts and sensor readings while the app is running in the background. Turn off Background Restrictions for the app.
How to turn Background Restrictions off?
  1. Go to phone Settings
  2. Find background restriction setting (may be called something different on your device)
  3. Follow your phone's instructions to turn off background restriction for Dexcom ONE+
Location
Location must be turned on to use Bluetooth. Android requires you to give the Dexcom ONE+ app location permission all the time to use Bluetooth. If you don't, you won’t get alerts or sensor readings. Dexcom does not use this permission to track your location.
How to turn Location Permission on?
  1. Go to phone Settings
  2. Confirm device Location is on
  3. Find Dexcom ONE+ in Apps
  4. Tap Location Permission
  5. Tap Allow All the Time
Do Not Disturb (DND) Permission
The Do Not Disturb Permission ensures you get important Dexcom ONE+ alerts, even when you put your smartphone in the most restrictive Do Not Disturb mode. You must allow the Do Not Disturb Permission for the app to work.
How to turn the DND Permission on
Follow the in-app instructions or go to your smartphone’s Settings, find DND Permission or DND Access, choose the Dexcom ONE+, tap Allow DND, and tap Allow.
Device Bluetooth
The Dexcom ONE+ app uses Bluetooth to connect with your sensor. You must keep your device’s Bluetooth turned on to get sensor readings and alerts. It is also recommended to delete old Dexcom ONE+ sensors and/or Dexcom ONE+ transmitters from your device’s Bluetooth list. Note: Dexcom ONE+ sensors connect, send data, and disconnect every 5 minutes. The pairing in Bluetooth for your current Dexcom ONE+ sensor will say “not connected” and is expected.
How to turn Bluetooth on
  1. Go to your phone’s Settings
  2. Find Bluetooth
  3. Turn it on
How to remove an old sensor from your smartphone’s Bluetooth connections
  1. Go to Phone Settings > Bluetooth
  2. Find your used sensor in the list of paired devices
  3. Tap Settings to see details about the connection
  4. Tap Unpair
Tip:
  • All Dexcom ONE+ sensor names start with DXCM

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