To resolve the issue of not being able to see your latest payment and experiencing timeouts while using the Armstrong Bank app, follow these steps:

1. Check Your Network Connection: Ensure that you have a stable internet connection. A weak or intermittent connection can lead to app timeouts.

2. Clear App Cache (for Android users):
- Go to your device's Settings.
- Navigate to Apps or Applications.
- Find the Armstrong Bank App and tap on it.
- Select Storage and then tap on Clear Cache.
This can often fix performance issues.

3. Update the App: Make sure your Armstrong Bank app is updated to the latest version. Visit Google Play to check for updates.

4. Uninstall and Reinstall the App:
If the problem persists:
- Uninstall the app from your device.
- Restart your phone.
- Reinstall the app from the Google Play Store.

5. Account Restoration: If reinstalling the app does not restore access, log in through the Armstrong Bank website if possible. Ensure that your login credentials are correct.

6. Contact Customer Care: If issues still persist after trying the above steps, contact Armstrong Bank's Customer Care at 888-680-2655 for further assistance. They can help resolve issues that may be specific to your account or the app - learn more.

By following these steps, you should be able to access your payment information effectively again. If you continue to experience issues, it may be worth checking if there are ongoing technical problems with the bank's services.