A. 1. Check your internet connection to ensure it is stable. A weak connection can cause issues during sign-up. 2. Clear the app cache by going to Settings > Apps > Quranly > Storage > Clear Cache. 3. Restart the app and try signing up again. 4. If the issue persists, try uninstalling and reinstalling the app to ensure you have the latest version.

B. 1. Ensure that your payment method is valid and has sufficient funds. 2. If using a credit card, check if your bank has placed any restrictions on online transactions.