Control-IQ technology software updates for existing t:slim X2 users

The Control-IQ technology software update for current t:slim X2 pump users requires a prescription and online training, all of which are coordinated through a simple-to-use online portal. Internet and computer access are required for pump updates.

Current t:slim X2 pump users can start the process at portal.tandemdiabetes.com.

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Customer Support

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.

Please see table for a full list of who to contact for Dexcom CGM issues.

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

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