A. 1. Check your internet connection: Ensure you have a stable internet connection. Try switching between Wi-Fi and mobile data to see if that resolves the issue. 2. Reset your password: If you are having trouble signing in, try resetting your password through the app or website. Follow the prompts to receive a password reset link via email. 3. Clear app data: Go to Settings > Apps > NovelToon > Storage > Clear Data. This will reset the app and may resolve sign-in issues.

B. 4. Ensure correct login credentials: Double-check that you are entering the correct email and password. If you have multiple accounts, make sure you are using the right one.