To troubleshoot the issues you're experiencing with the OrNet app on your Android phone and tablet, follow these detailed steps:

1. Update the App
- Navigate to the Google Play Store on your device.
- Search for "OrNet" and check if an update is available.
- If available, tap "Update" to install the latest version, as updates can fix bugs and compatibility issues.

2. Check Your Internet Connection
- Ensure you have a stable internet connection. Try switching between Wi-Fi and mobile data to see if the problem persists.
- If using Wi-Fi, restart your router as it can resolve temporary connectivity problems.

3. Clear App Cache and Data
- Go to Settings > Apps.
- Find and select OrNet.
- Tap on Storage.
- Click on Clear Cache and then Clear Data. This action may log you out and reset preferences, so ensure you have your credentials handy.

4. Force Stop the App
- Still in the app settings, click the Force Stop button.
- Restart the OrNet app to see if it resolves the issue.

5. Check for Device System Updates
- Go to Settings > System > Software Update.
- Ensure your Android version is up to date as compatibility issues can arise from outdated software.

6. Review Permissions
- Go back to the app settings for OrNet.
- Ensure all required permissions (like Network Access) are enabled.

7. Reinstall the App
- If the app continues not to work, uninstall it by holding the icon and selecting Uninstall.
- Then go back to the Google Play Store to reinstall OrNet.

8. Review Known Issues in Forums
- Visit online communities like Reddit or the Tor Project Forum to see if other users are experiencing similar issues and if there are specific fixes available: Reddit Discussion - [learn more].

9. Consult Troubleshooting Guides
- Check the Tor Browser User Manual for any specific solving techniques pertinent to the latest version of the app: Troubleshooting Guide - [learn more].

10. Seek Technical Support
- If none of these steps resolve the issue, consider reaching out to the app's support or community forums for additional help.

By following these steps methodically, you should be able to diagnose the issue and potentially restore functionality to your OrNet app on both phone and tablet.