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SHSH blobs are created by a hashing formula that has multiple keys, including the device type, the iOS version being signed, and the device's ECID. [5] [non-primary source needed] When Apple wishes to restrict users' ability to restore their devices to a particular iOS version, Apple can refuse to generate this hash during the restore attempt, and the restore will not be successful (or at ...
The U.S. government ordered Apple to produce an IPSW file that would allow investigators to brute force the passcode of the iPhone. [7] The order used the All Writs Act , originally created by the Judiciary Act of 1789 , to demand the firmware, in the same way as other smartphone manufacturers have been ordered to comply.
This is a list of iPod file managers, i.e. software that permits the transferring of media files.In the case of iPod file managers, this takes place between an iPod and a computer or vice versa.
Some devices include a backup copy of their firmware, stored in fixed ROM or writable non-volatile memory, which is not normally accessible to processes that could corrupt it. Should the firmware become corrupted, the device can copy from the backup memory to its main memory, restoring the firmware.
Deploying solutions based on reboot to restore technology allows users to define a system configuration as the desired state. The baseline is the point that is restored on reboot. Once the baseline is set, the reboot to restore software continues to restore that configuration every time the device restarts or switches on after a shutdown. [3]
iTunes is a media player, media library, and mobile device management utility developed by Apple.It is used to purchase, play, download and organize digital multimedia on personal computers running the macOS and Windows operating systems, and can be used to rip songs from CDs as well as playing content from dynamic, smart playlists.
Firmware hacks usually take advantage of the firmware update facility on many devices to install or run themselves. Some, however, must resort to exploits to run, because the manufacturer has attempted to lock the hardware to stop it from running unlicensed code. Most firmware hacks are free software.
In March 2007, iTunes 7.1 added support for Windows Vista, [9] and 7.3.2 was the last Windows 2000 version. [10] Until January 16, 2008 with the 7.6 update, iTunes lacked support for 64-bit versions of Windows. iTunes is currently supported under any 64-bit version of Windows, although the iTunes executable was still 32-bit until version 12.1.