How to Restore/Install IPSW File via iTunesīefore introducing the detailed steps, you should know that this is not the authorized method to restore the IPSW file. And there is no tool can support to restore unsigned IPSW files. So unsigned IPSW files are not supported by Apple official. iOS users wouldn't be able to use iTunes to restore. While unsigned IPSW means Apple has stopped supporting the iOS version.

When a compatible device that needs an update is connected to a computer, iTunes will automatically download the update after it is prompted. Typically, IPSW files are downloaded with iTunes. The IPSW file can be described as the original file needed for installing iOS firmware. IPSW files serve specific purposes such as fixing security vulnerabilities in a device, including new features to a device, and restoring a device to its factory settings. This is an archive file format with which DMG files are stored. Is It Possible to Restore Unsigned IPSWĪn IPSW is an Apple software update file for devices such as iPhone, iPad, and iPod Touch.

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