Iphone rebooting after upgrading to OS 3

New features in Iphone OS 3

• MMS
• Cut, Copy, Paste
• Copy/paste photos
• Undo support
• CalDAV Support
• Voice Memos
• YouTube Login
• Landscape keyboard works in email, notes, and messages.
• Search. You can search calendars, music, notes and email.
• Spotlight
• iTunes to allow rental and purchase of movies from the iPhone.
• Enhanced Parental Controls with control over movies, TV shows and apps.
• Tethering. Allows you to share you iPhone internet connection with a PC.
• Update to Safari:
  • Faster than ever before!
  • Support for HTTP streaming audio and video. Bitrate and data quality adjust to connection speed.
  • Autofill allows you to optionally remember usernames and passwords.
  • HTML 5 support.
• Find My iPhone Service.
• iPhone OS 3.0 will fully support 30 languages.
• Push Notifications
• Books for the App Store.
• Voice Control
• New Accessibility Settings with VoiceOver.
• Built-in support for Nike+
• Shake to Shuffle