Hi! I see your Carrier Home app is showing offline. Let’s get this sorted out together. To start, can you tell me if your thermostat or Carrier device itself is also showing offline, or is it just the app on your iPhone? Also, have you checked if your iPhone and the Carrier device are connected to the same Wi-Fi network?

While you get that info for me, here's a simple step-by-step approach we can try:

1. Check Wi-Fi Connection: Ensure your iPhone is connected to a stable Wi-Fi network, not just cellular data. Also, verify that the Carrier thermostat or device is connected to your home Wi-Fi.

2. Restart the App and Device: Close the Carrier Home app completely and reopen it. Then, try restarting your thermostat or Carrier device by powering it off for about 30 seconds and then turning it back on.

3. Verify App and Device Software: Confirm that your Carrier Home app is updated to the latest version from the App Store. Similarly, your thermostat or Carrier device firmware should be current; sometimes updates happen automatically, but it’s good to double-check.

4. Re-login or Re-pair: Log out of the Carrier Home app and sign back in. If possible, remove and re-add the device in the app to refresh the connection.

5. Network Diagnostic Tool: Carrier offers a diagnostic tool called Route This, which you can download on your iPhone to help troubleshoot Wi-Fi connectivity issues with your devices.

If these steps don’t get your device back online, there might be a deeper issue like server-side connection problems or device-specific glitches that can sometimes happen after app migrations or updates1 4.

Could you tell me what you’ve already tried or if you noticed any error messages? Also, does your thermostat screen look normal or is it blank/off? That info will help me guide you further!