Apple iOS 5.1 更新重點

1. Japanese language support for Siri (availability may be limited during initial rollout)
    支援日文 Siri 功能（剛開始的使用情況可能會受限）


2. Camera shortcut now always visible on Lock Screen for iPhone 4S, iPhone 4, iPhone 3GS and iPod touch (4th generation)
    在 iPhone 4S、iPhone 4、iPhone 3GS 和 iPod touch（第四代）的鎖定畫面會自動顯示相機的快速鍵


3. Camera face detection now highlights all detected faces
     “相機”的面孔偵測功能會聚焦所有偵測到的面孔


4. Redesigned Camera app for iPad
    重新設計的 iPad “相機”應用程式


5. Genius Mixes and Genius playlists for iTunes Match subscribers
    訂閱 iTunes Match 的用戶可使用“Genius 組曲”和 Genius 播放列表


6.  Audio for TV shows and movies on iPad optimized to sound louder and clearer
     iPad 上電視節目和影片的音訊已經過最佳化處理來讓聲音更加清晰響亮


7. Podcast controls for playback speed and a 30 second rewind for iPad
     iPad 上新增了 Podcast 的播放速度和 30 秒倒轉的控制項目


8. Updated AT&T network indicator

9. Addresses bugs affecting battery life
    解決了影響電池電力的問題


10.Fixes an issue that occasionally caused audio to drop for outgoing calls
    修正了撥出電話的音訊有時中斷的問題