A. 1. Ensure you are logged in: Make sure you are logged into your account, as preferences are often saved under your profile. 2. Clear app data: Go to Settings > Apps > Momondo > Storage > Clear Data to reset the app and potentially fix the issue. 3. Re-enter preferences: After clearing data, re-enter your preferences and check if they are saved correctly.

B. 4. Check for app updates: Sometimes, bugs in older versions can cause issues with saving preferences. Update the app to the latest version.