An all-in-one tool to restore/downgrade, save SHSH blobs, and jailbreak legacy iOS devices
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README.md

Legacy iOS Kit

Features

  • Legacy iOS Kit supports all 32-bit iOS devices, and some 64-bit (A7/A8/A9/A10/A11) devices
    • Devices that received iOS 16 and newer are mostly not supported and only have limited functionality (such as sideload on Linux etc.)
    • S5L8900 devices (iPhone 2G, 3G, touch 1) are only partially supported, some features like SSH ramdisk are not available
  • Restore to signed OTA versions (iOS 8.4.1 and/or 6.1.3) on A5/A6 devices
  • Restore some 32-bit devices to other iOS versions without blobs
    • This includes downgrading iPhone 3GS, iPhone 4 GSM and CDMA, iPod touch 2, touch 3, iPad 1
  • Restore with SHSH blobs on supported devices
  • Restore to other iOS versions with iOS 7 blobs (powdersn0w)
  • Tethered restores to other iOS versions for A5/A6 and other devices
  • Jailbreak all 32-bit iOS devices on (almost) any iOS version
    • Available on iOS versions 3.1 to 9.3.4
    • Only unsupported versions are iOS 9.0.x
  • Hacktivation for iPhone 2G, 3G, 3GS, 4 GSM (activate without valid SIM card)
  • Restore to iOS 10.3.3 (signed OTA version) on supported A7 devices
  • Install IPA files for supported devices with AppSync Unified installed
  • Sideload IPA files for supported devices on Linux
  • Save SHSH blobs for signed OTA versions for supported devices
  • Save onboard and Cydia SHSH blobs for 32-bit devices
  • Save onboard SHSH blobs for jailbroken 64-bit devices (deverser)
  • Enter pwned iBSS/kDFU mode for supported 32-bit devices
  • Boot SSH Ramdisk for supported 32-bit and 64-bit devices
  • Save onboard SHSH blobs using SSH Ramdisk for the supported 64-bit devices
  • Install TrollStore using SSH Ramdisk for the supported 64-bit devices on iOS 14/15
  • Clear NVRAM for 32-bit devices
  • Device activation using ideviceactivation (useful for iOS 4 and lower)
  • The latest baseband will be flashed for A5/A6 devices (for iPhone 4S, 5, 5C, iPad 4, mini 1)
  • Dumping and stitching baseband to IPSW (requires --disable-bbupdate)
  • Dumping and stitching activation records to IPSW (requires --activation-records)

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, jailbreaking, and using SSH ramdisks are supported on the following devices:
    • iPhone 2G, 3G, iPod touch 1 (SSH ramdisks not supported)
    • iPhone 3GS, 4, 4S, 5, 5C
    • iPad 1, 2, 3, 4, mini 1
    • iPod touch 2, 3, 4, 5
  • Restoring with SHSH blobs and using SSH Ramdisks are also supported on some 64-bit devices:
    • See SEP/BB Compatibility Chart for iOS versions that can be restored to
    • iPhone 5S, 6, 6S, SE 2016, 7 (including Plus variants)
    • iPad Air 1, 2
    • iPad mini 2, 3, 4
    • iPod touch 6, 7
  • Restoring with iOS 16.6.x SHSH blobs using futurerestore is also supported on these devices (SSH ramdisks not supported):
    • iPhone 8, X
    • iPad 5
    • iPad Pro 9.7/12.9 1st gen
  • Restoring with powdersn0w is supported on the following devices and target version range:
    • iPhone 4 GSM - iOS 4.0 to 7.1.1 (all versions except 4.2.1)
    • iPhone 4 CDMA - iOS 5.0 to 7.1.1
    • iPhone 4S, 5, 5C, iPad 2 Rev A, iPod touch 5 - iOS 5.0 to 9.3.5
    • iPad 1 - iOS 4.2.1 to 5.1
    • iPod touch 3 - iOS 4.0 to 5.1
    • Using powdersn0w requires iOS 7.1.x blobs for your device
      • No blob requirement for iPhone 4, iPad 1, iPod touch 3 (7.1.2 and 5.1.1 are signed)
      • For iPhone 5 and 5C, both 7.0.x and 7.1.x blobs can be used
  • Restoring and jailbreaking to other unsigned versions without blobs is supported on the following devices and target version range:
    • iPhone 3GS - iOS 3.0 to 6.1.3 (all versions)
    • iPod touch 2 - iOS 2.1.1 to 4.1 (all versions)
    • iPhone 2G, 3G, iPod touch 1 - all versions
  • For 2G, 3G, and touch 1, supported jailbreak versions are only 3.1.3, as well as 4.1 and 4.2.1 for the 3G
    • Lowest downgradable version is 2.0. Going to 1.x does not work
  • For 3GS and touch 2, 2.x and 3.0.x are not supported for jailbreaking. 3.1 and newer only

Supported OS versions/distros

Supported architectures: x86_64, arm64, armhf

Tools and other stuff used