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An all-in-one tool to restore/downgrade, save SHSH blobs, and jailbreak legacy iOS devices
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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 unsigned iOS versions (powdersn0w)
- Restore to iOS 10.3.3 on supported A7 devices (OTA signed)
- Option to jailbreak iOS 6.1.3 and 8.4.1 restores
- Restore to unsigned iOS versions with SHSH blobs
- Restore to unsigned iOS versions with iOS 7.1.x blobs (powdersn0w)
- Device support is limited, see below
- The latest baseband will be used for 32-bit devices if applicable
- Place device to pwned iBSS/kDFU mode for 32-bit devices
- Clear NVRAM for devices that support powdersn0w
- Restore iPhone 4 to iOS 7.1.2 with the option to jailbreak
- Restore supported devices to their latest iOS version
- Save onboard and Cydia SHSH blobs for 32-bit devices
- Boot SSH Ramdisk on supported 32-bit devices
- Pwning supported iOS devices using limera1n or checkm8 with iPwnder/gaster
- Device activation using ideviceactivation on Linux
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 3, 4, 5
- Restoring with SHSH blobs is also supported on most A7/A8 devices:
- See SEP/BB Compatibility Chart for iOS versions
- iPhone 5S, 6, 6 Plus
- iPad Air 1, mini 2, mini 3
- iPod touch 6
- 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
Supported OS versions/distros
Supported architectures: x86_64, arm64, armhf
- Ubuntu 22.04 and newer, and Ubuntu-based distros like Linux Mint
- Arch Linux and Arch-based distros like EndeavourOS
- Fedora 36 and newer
- Debian 12 Bookworm and newer, Sid, and Debian-based distros
- openSUSE Tumbleweed
- Gentoo and Gentoo-based distros
- macOS 10.13 and newer
- Windows 8.1 and newer
Tools and other stuff used
- curl
- bspatch
- powdersn0w_pub - dora2ios; LukeZGD fork
- ipwndfu - axi0mX, Linus Henze, synackuk; LukeZGD fork
- ipwnder_lite - dora2ios (used on macOS)
- iPwnder32 - dora2ios (old version with libusb, used on Linux)
- gaster - 0x7ff
- daibutsuCFW - dora2ios; LukeZGD fork
- libimobiledevice - libimobiledevice
- libirecovery - libimobiledevice
- libideviceactivation - libimobiledevice
- tsschecker - tihmstar; 1Conan fork v413
- futurerestore - tihmstar;
- LukeZGD fork used on Linux for restoring 32-bit devices
- LukeeGD fork used on Linux/Windows for restoring A7/A8 devices
- futurerestore v259 used on macOS
- iBoot32Patcher - dora2ios fork
- idevicerestore - libimobiledevice; LukeZGD fork
- idevicererestore from daibutsuCFW (used on custom IPSW restores for A5/A6 devices)
- kloader from Odysseus
- kloader from axi0mX (used on iOS 4/5 only)
- kloader_hgsp from nyan_satan (used on h3lix only)
- partial-zip
- zenity; macOS/Windows builds
- 32-bit bundles from OdysseusOTA, OdysseusOTA2, alitek12, gjest (modified bundles for daibutsuCFW)
- A7 patches from MatthewPierson
- iPad 2 iOS 4.3.x bundles from selfisht, Ralph0045
- EtasonJB
- Pangu
- p0sixspwn
- unthredeh4il
- SSH Ramdisk tar from SSH-Ramdisk-Maker-and-Loader
- Bootstrap tar from SpiritNET