How to Transfer Contacts From Yahoo to My Android
The Yahoo! Mail app for Android phones allows you to sync your entire email account with your phone, including contacts. Once the app is configured, you can transfer your full contact list from Yahoo! Mail to your Android phone book. Changes made to contacts on your phone or from Yahoo! Mail will be automatically synced every time you run the Yahoo! Mail for Android app.
Tap the "Market" icon on your Android home screen.
Tap "Search" and enter "Yahoo! Mail" as your query.
Click "Install" and then "OK" to download and install the Yahoo! Mail app. Input your administrative password if prompted.
Tap the "Yahoo! Mail" icon on your Android home screen.
Enter your Yahoo! Mail username and password. Then, tap "Sign In." The app will take a few moments to initially download your email and contacts. Once the app has retrieved this information, contact information will be automatically synced to your Android address book.