目前已知GM版更新項目：

What’s new in iOS 7 GM
As we continue to dig through the new information in iOS 7 GM, we’ll be listing any major changes we find below:

new ringtones and alerts sounds 新的鈴聲＆警訊聲
new unlock sound 新的解鎖聲
new charge sound 新的充電聲音
new Siri mic sound 新的Siri 麥克風聲
34 new Apple wallpapers 34張新的桌布