Learn more about how to deliver a bolus on the Tandem t:slim mobile app.

This error appears when your mobile device is unable to connect with our cloud server. To fix this issue, try these steps.

You can check for software updates for your Tandem insulin pump under the My Pump section of Tandem Source.

While the Tandem t:slim mobile app can be downloaded to all smartphones, the feature that allows you to bolus from your smartphone is only available on compatible smartphones.

Programmed glucose targets and limits in the mobile app and Tandem Source platform are used to calculate Time in Range (TIR) percentages.