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Legacy-iOS-Kit/README.md
LukeZGD edf18b45bf Baseband changes for A5/A6 devices 
this update of legacy ios kit will be ditching idevicererestore in favor of replacing basebandfirmware digests in buildmanifest and adding the latest bbfw in the custom ipsw itself
this procedure will be done on a5 and a6 iphones only since i will now be disabling bbupdate for all 32-bit ipads, not just the ipad 2
2024-02-07 21:24:48 +08:00

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Legacy iOS Kit

  • (formerly iOS-OTA-Downgrader)
  • An all-in-one tool to downgrade/restore, save SHSH blobs, and jailbreak legacy iOS devices
  • Supported on Linux and macOS
  • Read the "How to Use" wiki page for instructions
  • Read the "Troubleshooting" wiki page for tips, frequent questions, and troubleshooting

Features

  • Legacy iOS Kit supports all 32-bit iOS devices, and some A7/A8 64-bit devices
  • 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 3.1.3 to 9.3.4
    • Only unsupported versions are iOS 9.0.x
  • Hacktivation for iPhone 2G, 3G, 3GS (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 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
  • Enter pwned iBSS/kDFU mode for supported 32-bit devices
  • Boot SSH Ramdisk for 32-bit devices
  • 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 with baseband
  • 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:
    • Supports all 32-bit iOS devices
    • iPhone 2G, 3G, 3GS, 4, 4S, 5, 5C
    • iPad 1, 2, 3, 4, mini 1
    • iPod touch 1, 2, 3, 4, 5
  • Restoring with SHSH blobs is 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 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, iPad 4, iPod touch 5 - iOS 5.0 to 9.3.5
    • iPad 1 - iOS 4.3 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
      • For iPad 4, only 7.0.x blobs can be used
  • Restoring to other unsigned versions without blobs is supported on the following devices and target versions:
    • 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

Supported OS versions/distros

Supported architectures: x86_64, arm64, armhf

Tools and other stuff used