.ipsw
文件类型：iPod and iPhone Software Update File
扩展名为.ipsw的文件是一个杂项文件。文件说明：
Contains data used by Apple iTunes for software restores and minor updates to the iPhone and iPod Touch; can be deleted if corrupted, which will allow iTunes to download a new copy of the software update.iPhone IPSW files are located in the following locations:
Mac OS X: ~/Library/iTunes/iPhone Software Updates
Windows XP: Documents and Settings[username]Application DataApple ComputeriTunesiPhone Software Updates
Windows Vista: Users[username]AppDataRoamingApple ComputeriTunesiPhone Software Updates
For iPod updates, replace iPhone with iPod in the directory locations above. .ipsw
打开.ipsw文件
Mac OS
Apple iTunes (with iPhone or iPod)Windows
Apple iTunes (with iPhone or iPod)Linux
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来源：. ipsw文件