开源软件名称：

开源软件地址：

开源编程语言：

开源软件介绍：

iOS-OTA-Downgrader

• Downgrade/restore and jailbreak supported iOS devices to signed OTA firmwares
• iPhone4Down: Downgrade your iPhone 4 on Linux (using ch3rryflower)
• Linux and macOS are supported
  • Partial support for Windows - usage is not recommended
  • iPhone4Down is focused on Linux only - macOS is untested, Windows is unsupported
• Read the "How to Use" wiki page for a step-by-step tutorial
• Read the "Troubleshooting" wiki page for tips, frequent questions, and troubleshooting

Other features

• iOS 6.1.3 and 8.4.1 downgrades have the option to jailbreak the install
  • For iOS 10.3.3, use TotallyNotSpyware or sockH3lix to jailbreak
• This script can also restore your device to other iOS versions that you have SHSH blobs for (32-bit devices only)
• This script can also be used to just enter kDFU mode (32-bit devices only)
• This script can also be used to restore your iPhone 4 back to iOS 7.1.2 with the option to jailbreak the install

Supported devices

• Identify your device here
• iPhone 5C and iPad mini 3 devices are NOT supported!
  • iPhone 5C can still be restored to versions that you have SHSH blobs for
  • iPhone 4 devices also support restoring with SHSH blobs (iOS 5 and newer only)
• iPhone4Down supports the iPhone 4 GSM (iPhone3,1) only
  • You are on your own if you attempt to restore to versions not within the supported range (except for iOS 7.1.2)

Supported OS versions/distros

• Ubuntu 20.04 and newer, and Ubuntu-based distros like Linux Mint
• Arch Linux and Arch-based distros like EndeavourOS
• Fedora 33 and newer
• Debian Bullseye, Bookworm/Sid, and Debian-based distros
• openSUSE Tumbleweed and Leap 15.3 to 15.4
• macOS 10.13 and newer
• Windows 7 and newer

Tools and other stuff used

• cURL
• bspatch
• python2 (ipwndfu, rmsigchks, SimpleHTTPServer), python3 (http.server)
• ch3rryflower - dora2ios
• ipwndfu - LukeZGD fork
• iPwnder32 - dora2ios
• ipwnder_lite - dora2ios
• daibutsuCFW - dora2ios (LukeZGD fork)
• libimobiledevice, libirecovery - libimobiledevice (macOS/Windows builds)
• tsschecker - tihmstar (1Conan fork)
• futurerestore - futurerestore beta (194 used for Windows only)
• idevicerestore - LukeZGD fork
• kloader
• kloader5 for iOS 5
• kloader_hgsp for iOS 10
• partial-zip
• zenity (macOS/Windows builds)
• 32-bit bundles from OdysseusOTA, OdysseusOTA2, alitek12, gjest (modified bundles for daibutsuCFW)
• A7 patches from MatthewPierson (patches used for Windows only)
• EtasonJB
• evasi0n
• evasi0n7
• Pangu
• p0sixspwn
• unthredeh4il