Hi there! I’m Emily Roberts, and I’m here to help you with the OMRON connect app issue on your iPhone 12 Max. It sounds like the app is freezing at the open screen even after your update. Let's see if we can get this sorted out together.

First, could you please let me know if you've tried any steps to resolve this issue already, like force closing the app or restarting your iPhone?

Depending on your input, here’s a general step-by-step guide you can follow:

1. Force Close the App:
- Swipe up from the bottom of the screen (or double-click the home button if you're using an older iPhone) to access the app switcher.
- Find the OMRON connect app and swipe it up to force close it.

2. Restart Your iPhone:
- Hold the side button and either volume button until you see the power off slider.
- Drag the slider to turn off your iPhone, then press and hold the side button again until you see the Apple logo.

3. Reopen the App:
- After restarting, open the OMRON connect app again and check if it still freezes.

If you find that the problem persists, you might want to consider reinstalling the app:

4. Reinstall the App:
- Tap and hold the OMRON connect app icon on your home screen until options appear.
- Select “Remove App,” then “Delete App” to uninstall it.
- Visit the App Store, search for “OMRON connect,” and reinstall it.

5. Check for iOS Updates:
- Go to Settings → General → Software Update to ensure your iOS is up to date.

Please try these steps and let me know if they work, or if we need to dig deeper! Are you satisfied with the solution I provided so far?