To address your issue of being unable to read and write messages on Badoo, follow these troubleshooting steps:

1. Check Network Connection
Ensure that your device has a stable internet connection. Try switching between Wi-Fi and mobile data to see if that resolves the issue.

2. Update the Badoo App
Outdated apps can often cause functionality problems. Go to the Google Play Store, search for Badoo, and see if an update is available. Install any updates to ensure you have the latest features and fixes.

3. Clear Cache and Data
Clearing the app cache and data can help resolve many issues:
- Go to Settings on your Android device.
- Tap on Apps & Notifications.
- Locate and select Badoo.
- Tap on Storage, then choose Clear Cache and Clear Data.

Note: Clearing data will log you out, so you will need to log back in.

4. Reinstall the App
If clearing the cache doesn’t resolve the issue, uninstall and then reinstall the app:
- Navigate to Settings > Apps & Notifications > Badoo.
- Tap Uninstall.
- Then reinstall it from the Google Play Store.

5. Check Badoo Permissions
Ensure that Badoo has the necessary permissions to access your device’s storage and notifications:
- Go to Settings > Apps & Notifications > Badoo > Permissions.
- Make sure all relevant permissions are enabled, particularly for storage.

6. Log Out and Log Back In
Sometimes a simple logout can refresh your session:
- Open the Badoo app and go to your profile settings.
- Select Log Out, then log back in.

7. Consult Badoo Help Center
If none of the above steps work, you can visit the Badoo Help Center for further assistance: Badoo Help Center - [learn more].

8. Watch Troubleshooting Videos
For visual guidance, you can watch video tutorials that explain how to troubleshoot messaging issues on Badoo:
- YouTube Video on Badoo Issues - [learn more].

By following these steps, you should be able to resolve the messaging issue on Badoo. If the problem persists, consider contacting Badoo support for more tailored assistance.