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Top FAQs

  • Dexcom tests all apps on new OS versions, including public betas, after the OS is released. It may take several days or more to complete testing and update the app to be fully compatible with a new OS version. Dexcom recommends checking our compatibility chart before installing a new OS version on your smart device, and not installing the new version until we approve it.

    If you have installed a beta OS version on your smart device and need to revert to a commercially available version, consult your OS developer’s instructions at the below links:

    We encourage you to not install any beta OS version on your smart device while you are using it to run a Dexcom app.

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  • Dexcom G5 Mobile CGM System users can invite up to five followers to remotely monitor their glucose information and receive alert notifications from almost anywhere using the Dexcom Follow App. The Dexcom Follow App is available as a free download through the Google Play store and the Apple® App Store and to the Apple Watch through the Apple Watch Store.

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  • The serial number can be located on the back of your Dexcom CGM Receiver, next to the box marked SN

    Alternatively, you can find the serial number by taking the following steps:

    • From the Settings menu, press the UP or DOWN button to scroll to “Device Info.”
    • Press the SELECT button. Information about your sensor session and system will show, including the Serial Number.
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  • We recommend checking the Dexcom compatibility chart before installing a new iOS or Android OS version on your smart device. Dexcom tests all its apps on new OS versions after the OS is released. It may take several days or more to complete testing and, if necessary, update the Dexcom app to be fully compatible with a new OS version.

               
     United States

    Dexcom G6
    App

     

    iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S Plus, iPhone 7, iPhone 7 Plus, iPhone SE, iPhone 8, iPhone 8 Plus, iPhone X

    iPod touch 6th Gen

    Apple Watch (1st Generation), Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3 (watches require compatible smart device to use app)

    iOS 10.3.2, 10.3.3, 11.0, 11.0.1, 11.0.2, 11.0.3, 11.1.0, 11.1.1, 11.2.0, 11.2.1, 11.2.2, 11.2.5, 11.2.6, 11.3.0, 11.3.1, 11.4.0, 11.4.1

    watchOS 3.0, 3.1, 3.1.3, 3.2, 3.2.2, 3.2.3, 4.0, 4.1, 4.2, 4.2.2, 4.2.3

    Google Pixel (Android 7.1.2, 8.0.0, 8.1.0)
    Google Pixel 2 (Android 8.0.0, 8.1.0)
    Excludes “XL” models

    Samsung Galaxy Note 5 (Android 7.0.0), Samsung Galaxy Note 8 (Android 7.1.1), Samsung Galaxy S6 (Android 7.0.0), Samsung Galaxy S6 Edge (Android 7.0.0), Samsung Galaxy S7 (Android 7.0.0), Samsung Galaxy S7 Edge (Android 7.0.0), Samsung Galaxy S8 (Android 7.0.0), Samsung Galaxy S8 Plus (Android 7.0.0), Samsung Galaxy S9 (Android 8.0.0), Samsung Galaxy S9+ (Android 8.0.0), Samsung Galaxy J3 [SM-J327 models only, including J3 Eclipse, J3 Emerge, J3 Prime, Express Prime 2, Amp Prime 2] (Android 7.0.0), Excludes Samsung “Active” models, LG G5 (Android 7.0.0), LG G6 (Android 7.0.0)

    Android Wear Watches
    Wear OS by Google 1.3, 1.4, 1.5, 2.0, 2.6, 2.7, 2.8 and 2.9

    Dexcom G5 Mobile
    App

     

    iPhone 4S, iPhone 5, iPhone 5C, iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S Plus, iPhone 7, iPhone 7 Plus, iPhone SE, iPhone 8, iPhone 8 Plus, iPhone X 

    iPod touch 5th Gen, iPod touch 6th Gen 

    iPad 3, iPad 4, iPad Air, iPad Air 2, iPad Mini, iPad Mini 2, iPad Mini 3, iPad Mini 4, iPad Pro, iPad (5th Generation) 

    Apple Watch (1st Generation), Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3 (watches require compatible smart device to use app)

    iOS 9.0, 9.0.1, 9.0.2, 9.1, 9.2, 9.3, 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.3.5, 10.0.1, 10.0.2, 10.0.3, 10.1, 10.1.1, 10.2, 10.2.1, 10.3, 10.3.1, 10.3.2, 10.3.3, 11.0, 11.0.1, 11.0.2, 11.0.3, 11.1.0, 11.1.1, 11.2.0, 11.2.1, 11.2.2, 11.2.5, 11.2.6, 11.3, 11.3.1, 11.4.0, 11.4.1  

    watchOS 3.0, 3.1, 3.1.3, 3.2, 3.2.2, 3.2.3, 4.0, 4.1, 4.2, 4.2.2, 4.2.3, 4.3, 4.3.1, 4.3.2 

    Google Pixel (Android 7.1.2, 8.0.0, and 8.1.0)
    Google Pixel 2 (Android 8.1.0)
    Excludes “XL” models

    Samsung Galaxy S5 (Android 6.0.0-6.0.1), Samsung Galaxy Note 5 (Android 6.0.0- 7.0.0), Samsung Galaxy S6 (Android 6.0.0-7.0.0), Samsung Galaxy S6 Edge (Android 6.0.0-6.0.1), Samsung Galaxy S7 (Android 6.0.1-7.0.0), Samsung Galaxy S7 Edge (Android 6.0.1-7.0.0); LG G4 (Android 6.0.0), LG G5 (Android 6.0.1-7.0.0); Motorola Nexus 6 (Android 6.0.0-7.1.1), Samsung Galaxy S8 (Android 7.0.0), Samsung Galaxy S8 Plus (Android 7.0.0), Samsung Galaxy S9 (Android 8.0.0), Samsung Galaxy S9+ (Android 8.0.0), Samsung Galaxy Note 8 (Android 7.1.1), LG G6 (Android 7.0.0), Samsung Galaxy J3 [SM-J327 models only, including J3 Eclipse, J3 Emerge, J3 Prime, Express Prime 2, Amp Prime 2]  (Android 7.0.0)
    Excludes Samsung “Active” models

    Android Wear Watches
    Wear OS by Google 1.3, 1.4, 1.5 and 2.0 (watches require compatible smart device to use app)

    Dexcom Share2 App

     

    iPhone 4S, iPhone 5, iPhone 5C, iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S Plus, iPhone 7, iPhone 7 Plus, iPhone SE, iPhone 8, iPhone 8 Plus, iPhone X

    iPod touch 5th Gen, iPod touch 6th Gen

    iPad 3, iPad 4, iPad Air, iPad Air 2, iPad Mini, iPad Mini 2, iPad Mini 3, iPad Mini 4, iPad Pro, iPad (5th Generation, 6th Generation)

    Apple Watch (1st Generation),  Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3 (watches require compatible smart device to use app)    

    iOS 9.0, 9.0.1, 9.0.2, 9.1, 9.2, 9.3, 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.3.5, 10.0.1, 10.0.2, 10.0.3, 10.1, 10.1.1, 10.2, 10.2.1, 10.3, 10.3.1, 10.3.2, 10.3.3, 11.0, 11.0.1, 11.0.2, 11.0.3, 11.1.0, 11.1.1, 11.2.0, 11.2.1, 11.2.2, 11.2.5, 11.2.6, 11.3, 11.3.1, 11.4.0, 11.4.1  

    watchOS 3.0, 3.1, 3.1.3, 3.2, 3.2.2, 3.2.3, 4.0, 4.1, 4.2, 4.2.2, 4.2.3, 4.3, 4.3.1, 4.3.2 (watches require compatible smart device to use app)         

    Dexcom Follow
    App

     

    iPhone 4S, iPhone 5, iPhone 5C, iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S Plus, iPhone 7, iPhone 7 Plus, iPhone SE, iPhone 8, iPhone 8 Plus, iPhone X 

    iPod touch 5th Gen, iPod touch 6th Gen

    iPad 3, iPad 4, iPad (5th Gen), iPad Air, iPad Air 2, iPad Mini, iPad Mini 2, iPad Mini 3, iPad Mini 4, iPad Pro, iPad 6th Generation 

    Apple Watch (1st Generation), Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3 (watches require compatible smart device to use app) 

    iOS 9.0, 9.0.1, 9.0.2, 9.1, 9.2, 9.3, 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.3.5, 10.0.1, 10.0.2, 10.0.3, 10.1, 10.1.1, 10.2, 10.2.1, 10.3, 10.3.1, 10.3.2, 10.3.3, 11.1.0, 11.1.1, 11.2.0, 11.2.1, 11.2.2, 11.2.5, 11.2.6, 11.3, 11.3.1, 11.4.0, 11.4.1    

    watchOS 3.0, 3.1, 3.1.1, 3.1.3, 3.2, 3.2.2, 3.2.3, 4.0, 4.2, 4.2.2, 4.2.3, 4.3, 4.3.1, 4.3.2 

    Samsung Galaxy S5, Samsung Galaxy S6, Sony Xperia Z3, HTC One M8, Nexus 6

    Android 4.4.4, 5.0, 5.0.1, 5.1.0, 5.1.1, 6.0 (Nexus 6 only), 6.0.1, 7.0 (Nexus 6 only) 

    CLARITY reports
    app

     

    Requires iOS 8.1 or later

    Compatible with iPhone, iPad, and iPod touch

    Any Android Device using OS version 6.0 or later

                  

     

     

     

    The follower will also need an internet connection to access data.

    Identify your iPhone model

              

     

     

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  • Yes, your supply of sensors and current transmitter will work with the newly approved Receiver with ShareTM. You will need to pair your transmitter with your new G4 PLATINUM Receiver with ShareTM. The G4 PLATINUM transmitter and sensor technology have not changed.

     

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  • Each Sharer can have up to five Followers. To invite Followers take the following steps:

    1. In the Share2 app, press the Followers tab to invite a new Follower.
    2. Enter the Follower’s nickname and e-mail address. Re-Enter the Follower’s e-mail address to confirm the correct address (the Follower will get a Follow Invitation e-mail at this e-mail address). Make sure the Follower can access this e-mail account from their iPhone or iPod touch. Press the “Next” button.
    3. Choose whether or not you want the Follower to see the trend graph by pressing the on/off switch next to Allow Trend Graph View.
    4. Choose whether or not the Follower will get low, urgent low and high glucose notifications on their iPhone or iPod touch. Notifications are sent when the glucose level and time delay conditions are met.
    5. Press the “Send Invitation” button to send a Follow Invitation e-mail to the Follower. Once your invitation is sent, the Sharer cannot adjust the Follower’s recommended settings.
    6. To add more Followers, press the Followers tab on the bottom of the Dexcom Share2 app screen. Then press “Invite Followers” button. You may invite a total of five (5) Followers per Dexcom Share account. When finished adding Followers, press the “Done” button.

     

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  • You will need to install the Dexcom Share2 app on your iPhone, iPod touch or iPad and follow the setup wizard. Go to Share settings on the receiver and select “Forget Device.” Then open the Dexcom Share2 app, log in using your account you previously created and follow the instructions to pair to your new receiver. The Dexcom Share2 app on your new iPhone or iPod touch will recover your Follower information from the iPhone, iPod touch or iPad you are replacing.

     

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  • If you have already successfully invited and set up your Followers, you will not have to set up your Followers again if you replace your Receiver with ShareTM. You will need to pair your new Receiver with your iPhone, iPod touch or iPad. Select "Pair Receiver" in the Account tab of the Share2 app to begin the process.

     

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  • Apple Health is an app included in Apple devices with iOS 8 and later installed. The Sharer can enable the Dexcom Share2 app to send glucose information to the Apple Health app. The Health app will display the Sharer’s glucose information with a three hour delay. It will not display real time glucose information. Take the following steps to enable the sharing of glucose data from the Share2 app to the Health app on your iPhone, iPod touch or iPad:

    1. In the Share2 app, press on the "Account" tab.
    2. Press the "Health" button.
    3. Press the “Enable” button. You will be taken to the Health settings.
    4. Slide the “Blood Glucose” on/off switch to ON to enable sharing.
    5. Press the “Done” button to return to the Dexcom Share2 app.

     

    Please note: You will not receive glucose alerts on your Dexcom Share2 app. Always use your Dexcom G4 PLATINUM Receiver for receiving glucose alerts.

     

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  • If the Bluetooth icon is not displaying on your trend screen, your Receiver with ShareTM is not communicating with the Dexcom Share2 app on the Sharer’s iPhone, iPod touch or iPad. Take the following troubleshooting steps to ensure the Receiver ShareTM and Share2 app are configured properly:

    1. Go to the receiver menu and select “Settings,” then select “Share.” Make sure the Share setting is set to "On"
    2. Make sure the Receiver with ShareTM and the Sharer’s iPhone or iPod are within 15 ft of each other.
    3. On the Sharer’s iPhone, iPod touch or iPad, open the Dexcom Share2 app and make sure it is paired with your receiver. Click here for receiver pairing instructions.

     

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  • Pairing connects your Receiver with ShareTM to your iPhone, iPod touch or iPad using Bluetooth. Once your receiver is paired to your iPhone, iPod touch or iPad, it can send glucose information and notifications whenever Share is turned “On.” You can pair the receiver at any time by pressing on the “Pair Receiver” button located in the account tab. NOTE: Only one iPhone, iPod touch or iPad may be paired to a receiver at a time. Follow the steps below to pair your new Receiver with ShareTM

    1. Open the Dexcom Share2 app on your iPhone, iPod touch or iPad.
    2. Go to the Account tab and press on the “Pair Receiver” button.
    3. Enter the receiver serial number found on the label on the back of the receiver. The serial number is two letters followed by eight digits. Press “Continue.”
    4. Turn on your Receiver with ShareTM.
    5. Go to the receiver menu and select “Settings,” then select “Share.”
    6. Turn Share “On.”
    7. Return to the Dexcom Share2 app and press “Start.”
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  • You will be able to share your glucose information when the app is running in the foreground or in the background. If you close the app completely, you will not be able to share your glucose information..

     

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  • No, the Share2 app is currently compatible with select versions of the iPhone ®, iPod ® touch and iPad ®.

    Click here to see a list of compatible devices and software

     

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  • No, Dexcom SHARE is currently available in the United States only.  Dexcom continues to work on mobile solutions for global applications.

     

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  • You will need an internet connection for both the Dexcom Share app as well as the Dexcom Follow app to work correctly. You may connect to a WiFI network or move into an area that has cellular data service.
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  • To ensure the Bluetooth is turned on from your phone, you should see the Bluetooth icon on you phone’s status bar.

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  • Before an invitation is sent to the Follower:

    • The Sharer can set whether the follower will have access to the trend graph as well as the default notification settings.

     

    After an invitation is sent to the Follower:

    • The Sharer can change whether the follower has access to the trend graph.
    • The Follower can modify the notification settings.
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  • The “X” icon in the Status tab means that the system is not functioning properly. Tap on the Status tab for more information.

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