To delete your mobile device information:

1. Open a new window with this link to the My Mobile Yahoo! Mobile home page.
2. Click the delete link. If you have alerts delivered to this device, you can either forward them to another device by selecting Keep my alerts and forward to another verified device or Remove alerts for this device. If you choose this option, any calendar, email, stock, or other alerts you have set up for this device are deleted.
3. Click Delete Device.