Required Setup for the FreeStyle Libre 3 Plus Sensor

Now that the software update is complete, follow these steps to set up your sensor and start using your updated system.
Person looking at the Tandem t:slim Mobile App on their phone with options to pair their CGM

Step 1

Pair the Tandem t:slim Mobile App

To use the FreeStyle Libre 3 Plus sensor, you must first pair your t:slim X2 insulin pump to the Tandem t:slim mobile app. After pairing, the sensor will be seen on your pump.

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Current User

If you use the Tandem t:slim mobile app, make sure it’s version 2.11 or later (tap Settings, App, and then About). If not, download the latest version from Google Play or the Apple Store.

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First-Time Setup

If you’re new to the Tandem t:slim mobile app, download the mobile app and pair your t:slim X2 insulin pump.

Step 2

Start or Resume Your CGM Sensor Session

Watch this short video to learn how to use the mobile app to scan your FreeStyle Libre 3 Plus sensor and connect it to your t:slim X2 pump.

Note: Instructions for starting or resuming a sensor session differ for Dexcom G7 and Dexcom G6 CGM

Step 3

Learn What’s New

Take a few minutes to learn what pump features have changed with each software update.


See New Features