To resolve the issue of USPS Informed Delivery not working on your iPhone SE, you can follow these actionable steps:

1. Verify App Updates
Ensure that your USPS Mobile App is updated to the latest version. Open the App Store, search for "USPS Mobile," and check if there's an option to update.

2. Clear Safari Cache
If you're accessing Informed Delivery through Safari, clear the cache by going to Settings > Safari. Tap on Clear History and Website Data, then confirm by tapping on Clear History and Data. This can fix potential loading issues.

3. Reinstall the USPS App
If you're using the app, uninstall it by pressing and holding the app icon, then selecting Remove App. After that, reinstall it from the App Store. This can help reset any potential glitches in the app.

4. Check Your Internet Connection
Ensure your iPhone is connected to a stable internet connection. You can toggle Airplane Mode on and off to refresh the connection.

5. Sign Out and Back In
Open the USPS app, go to your account settings, and sign out. Then sign back in. This step can refresh your login session and resolve issues.

6. Enable Notifications
Ensure that notifications for the USPS app are enabled by going to Settings > Notifications > USPS Mobile and making sure it’s set to allow notifications.

7. Contact USPS Support
If the issue persists, contacting USPS customer support for assistance may also help resolve account-specific issues. They can provide guidance relevant to your account status and any system problems.

8. Check for iOS Updates
Make sure that your iPhone SE is running the latest version of iOS. Go to Settings > General > Software Update and install any available updates.

Following these steps should help you restore functionality for USPS Informed Delivery on your iPhone SE. If the problem continues after these troubleshooting steps, it may indicate a broader issue with the USPS system, necessitating further direct support from USPS. - learn more - learn more - learn more