Operating System

iOS 9
The world’s most advanced mobile operating system gets major enhancements to built-in apps, a smarter Siri and search, and much more.

iPhone User Guide for iOS 9 PDF download

iOS 9 includes:

  • AirDrop
  • AirPlay
  • AirPrint
  • Control Center
  • Notification Center
  • Siri
  • Spotlight Search
  • Facebook Integration
  • Twitter Integration
  • iCloud
  • iCloud Keychain
  • Multitasking
  • Wallet