Hi there! I'm sorry to hear that you're having trouble logging into your Yahoo email. Let's work together to resolve this.

To start, could you tell me if you're receiving any specific error messages when you try to log in? Additionally, have you recently changed your password or made any changes to your account settings?

While I'm waiting for your response, here are a few common steps that often help with login issues:

1. Clear Browser Cookies and Cache: Sometimes, stored data can cause conflicts. Go to your browser settings, find the option to clear browsing data, and select cookies and cache.

2. Check Credentials: Make sure you are entering the correct email address and password. Sometimes a simple typo can cause login issues.

3. Try a Different Browser: Since you're using WebKit on Android, consider switching to another browser (like Chrome or Firefox) to see if the issue persists.

4. Reset Your Password: If you think your password might be incorrect, you can reset it here.

Let me know about the error message or any details that might help, and we can go from there!