A. 1. Reset your password: Use the 'Forgot Password' option on the app login screen to reset your password. Follow the instructions sent to your email. 2. Clear app cache: Go to your device settings, find the Vodafone app, and clear its cache. This can resolve issues related to app performance.

B. 3. Reinstall the app: Uninstall the Vodafone app from your device and then reinstall it from the app store. This can help resolve any corrupted files or settings.