No, it is not possible to connect a FreeStyle Libre 2 Plus sensor, which has already been activated, to the t:slim X2 insulin pump.
Once the sensor has been activated with the FreeStyle Libre 2 app, it cannot be switched to a different receiver before completing the full wear period. This is applicable to the FreeStyle Libre 2 Plus sensor only. FreeStyle Libre 2, FreeStyle Libre 3, and FreeStyle Libre 14 day sensors are not compatible with the Tandem AID system.
Tandem Diabetes Care, the Tandem logo, Control-IQ and t:slim X2 are either registered trademarks or trademarks of Tandem Diabetes Care, Inc. in the United States and/or other countries.
Important Safety Information for Tandem t:slim X2 insulin pump: RX ONLY. The t:slim X2 insulin pump with Control-IQ technology is indicated for patients with Type 1 diabetes, 6 years and older.
BOXED WARNING: Control-IQ technology should not be used by people under age 6, or who use less than 10 units of insulin/day, or who weigh less than 55 lbs. For full safety information, visit tandemdiabetes.com/safetyinfo.
t:connect Mobile App: The t:connect mobile app is intended to be a secondary display for compatible Tandem Diabetes Care insulin pumps and is capable of wirelessly uploading pump data it receives into the t:connect web application. The t:connect mobile app is not intended to control an insulin pump and is not intended to be a replacement for the information displayed on your insulin pump. Dosing decisions should not be made based on the secondary display device. The user should follow instructions on the continuous glucose monitoring system and insulin pump. This secondary display device is not intended to replace self-monitoring practices as advised by a physician.