The Tandem Device Updater should automatically start after you install it on your computer. Follow the prompts to update your device.
If the Tandem Device Updater encounters a condition that will not allow you to continue with an update, you will see an error message on your computer screen. Follow the on-screen instructions to resolve the error and continue with your update, or contact Customer Support at (877) 801-6901.
If you have trouble connecting your pump or starting an update, reference the Troubleshooting section of the Tandem Device Updater User Guide