t:connect mobile app error: unable to save changes

If you receive one of these errors, try the following steps to fix it:

If you are also making changes to your account via a web browser, save those changes first before attempting to make any changes on the mobile app
Ensure you have a stable internet connection
Restart the mobile app
Sign out of the app and sign back in
- Please note that you will need to pair your pump again to the mobile app

Need help with your Dexcom CGM?

For Dexcom continuous glucose monitoring (CGM) specific issues including calibration prompt will not clear, sensor failure during the 2-hour warmup, “no restarts” alert or physical problems with your sensor or transmitter, such as bleeding, bruising, skin reaction, adhesive issues, applicator issues, or broken wires, please contact Dexcom using one of the options at dexcom.com/contact or report the issue online at https://dexcom.custhelp.com/app/webform.

Tandem handles issues such as loss of connection (on pump only) and the invalid transmitter (Alert 29) on pump only.

Customer Support

Need help with your Dexcom CGM?

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