An all-in-one tool to restore/downgrade, save SHSH blobs, and jailbreak legacy iOS devices
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LukeZGD 778c2974e6 Add an updater
i would advise users to just git clone instead, but whatever
2023-06-21 16:46:53 +08:00
.github/workflows Huge update (3GS/touch 2 downgrades, etc) 2023-06-15 14:21:05 +08:00
bin Check new/old bootrom, update armhf bins 2023-06-20 23:52:23 +08:00
resources Add 4.1 patches/tars, update macos bins, and other 2023-06-19 11:47:18 +08:00
.gitattributes Added all files from iOS-OTA-Downgrader-Keys 2021-10-07 21:50:26 +08:00
.gitignore Add "sudoloop" mode 2023-01-16 15:51:36 +08:00
LICENSE Big update (script rewrite) 2023-01-13 12:25:27 +08:00
README.md forgot to add this part in readme 2023-06-16 18:26:34 +08:00
restore.cmd Legacy iOS Kit 2023-04-02 18:18:44 +08:00
restore.sh Add an updater 2023-06-21 16:46:53 +08:00

Legacy iOS Kit

  • (formerly iOS-OTA-Downgrader)
  • A multi-purpose script to save SHSH blobs, downgrade/restore, and jailbreak supported legacy iOS devices
  • Linux, macOS, and Windows are supported
    • Windows usage is not recommended
  • Read the "How to Use" wiki page for usage instructions
  • Read the "Troubleshooting" wiki page for tips, frequent questions, and troubleshooting

Features

  • Restore to iOS 8.4.1 or 6.1.3 on supported 32-bit devices (OTA signed)
  • Restore iPhone 4 GSM (iPhone3,1) to lower iOS versions (powdersn0w)
  • Restore iPhone 3GS and iPod touch 2 to lower iOS versions (24Kpwn/alloc8)
  • Restore 32-bit devices to lower iOS versions with SHSH blobs
  • Restore 32-bit devices to lower iOS versions with iOS 7.1.x blobs (powdersn0w)
    • Device support is limited, see below
  • Option to jailbreak all of the above devices
    • Including latest iOS versions for some devices (4.2.1, 5.1.1, 6.1.6, 7.1.2)
    • Available on target versions iOS 4.x to 7.x and 8.4.1
  • Restore to iOS 10.3.3 on supported A7 devices (OTA signed)
  • Restore A7/A8 devices to lower iOS versions with SHSH blobs
    • Limited compatibility due to SEP/BB, see below
  • The latest baseband will be flashed for 32-bit devices if applicable
  • Save onboard and Cydia SHSH blobs for 32-bit devices
  • Place device to pwned iBSS/kDFU mode for supported devices
  • Boot SSH Ramdisk on supported 32-bit devices
  • Clear NVRAM for devices that support powdersn0w
  • Device activation using ideviceactivation

Supported devices

  • Identify your device here
  • iPhone 5C and iPad mini 3 devices are NOT supported by OTA downgrades
    • These devices still support restoring to other iOS versions with SHSH blobs, see below
  • See the table below for OTA downgrading support:
Target Version Supported Devices
iOS 10.3.3 A7 devices:
iPhone 5S
iPad Air 1
iPad mini 2 (except iPad4,6)
iOS 8.4.1 32-bit devices:
iPhone 4S
iPhone 5
iPad 2, iPad 3, iPad 4
iPad mini 1
iPod touch 5
iOS 6.1.3 iPhone 4S
iPad 2 (except iPad2,4)
  • Restoring with SHSH blobs and using SSH Ramdisks are supported on the following devices:
    • Supports most 32-bit devices (iOS 3 to 10, version range depends on device)
    • iPhone 3GS, 4, 4S, 5, 5C
    • iPad 1, 2, 3, 4, mini 1
    • iPod touch 2, 3, 4, 5
    • S5L8900 devices will likely never be supported
  • Restoring with SHSH blobs is also supported on most A7/A8 devices:
  • Restoring with powdersn0w is supported on the following devices:
    • iPhone 4 GSM - targets iOS 4.3 to 6.1.3
    • iPhone 4S, iPhone 5 (not 5C), iPad 2 Rev A, iPod 5th generation - targets iOS 5.0 to 6.1.3, 8.0 to 9.3.5
    • Using powdersn0w requires iOS 7.1.x blobs for your device
  • Restoring with 24Kpwn/alloc8 is supported on the following devices:
    • iPhone 3GS - targets iOS 3.1.3 to 5.1.1
    • iPod touch 2 - targets iOS 3.1.3 to 4.0
  • Restoring to latest iOS version with jailbreak for the following devices:
    • iPhone 4 - iOS 7.1.2 with Pangu
    • iPhone 3GS, iPod touch 4 - iOS 6.1.6 with p0sixspwn
    • iPad 1, iPod touch 3 - iOS 5.1.1 with pris0nbarake
    • iPod touch 2 - iOS 4.2.1 with greenpois0n

Supported OS versions/distros

Supported architectures: x86_64, arm64, armhf

Tools and other stuff used