- (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
- 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
- Supports 32-bit devices, iOS 5 to 10
- Supports A7/A8 devices, see SEP/BB Compatibility Chart
- Also supports iPad 2 iOS 4.3.x, iPhone 4 iOS 4.x
- 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
- Identify your device here
- Restoring with powdersn0w supports the following devices:
- iPhone 4 GSM - iOS 4.3 to 6.1.3
- iPhone 4S, iPhone 5 (not 5C), iPad 2 Rev A, iPod 5th generation - iOS 5.0 to 6.1.3, 8.0 to 9.3.5
- Using powdersn0w requires iOS 7.1.x blobs for your device
- 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 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) |
- 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
- curl
- bspatch
- powdersn0w_pub - dora2ios; LukeZGD fork
- ipwndfu - 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, libirecovery - libimobiledevice
- tsschecker - tihmstar; 1Conan fork
- futurerestore - tihmstar;
- LukeZGD fork used on Linux for restoring 32-bit devices
- LukeeGD fork used on Linux/Windows for restoring A7/A8 devices
- futurerestore version used on macOS
- idevicerestore - libimobiledevice; LukeZGD fork
- idevicererestore from daibutsuCFW (used on custom IPSW restores for A5/A6 devices)
- kloader from axi0mX
- kloader from Odysseus (used on iOS 10 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