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# iOS-OTA-Downgrader # iOS-OTA-Downgrader
- iOS-OTA-Downgrader can **downgrade/restore and jailbreak supported iOS devices to signed OTA firmwares**. - **Downgrade/restore and jailbreak supported iOS devices to signed OTA firmwares**
- **Linux, macOS, and Windows** are supported - **Linux, macOS, and Windows** are supported
- **Read the ["How to Use" wiki page](https://github.com/LukeZGD/iOS-OTA-Downgrader/wiki/How-to-Use) for a step-by-step tutorial**
- **Read the ["Troubleshooting" wiki page](https://github.com/LukeZGD/iOS-OTA-Downgrader/wiki/Troubleshooting) for tips, frequent questions, and troubleshooting**
## Other features
- iOS 6.1.3 and 8.4.1 downgrades have the option to **jailbreak** the install - iOS 6.1.3 and 8.4.1 downgrades have the option to **jailbreak** the install
- For iOS 10.3.3, use [TotallyNotSpyware](https://totally-not.spyware.lol) or [sockH3lix](https://github.com/SongXiaoXi/sockH3lix) to jailbreak - For iOS 10.3.3, use [TotallyNotSpyware](https://totally-not.spyware.lol) or [sockH3lix](https://github.com/SongXiaoXi/sockH3lix) to jailbreak
- **You do NOT need blobs to use this**, the script will get them for you
- This script can also restore your device to other iOS versions that you have SHSH blobs for - This script can also restore your device to other iOS versions that you have SHSH blobs for
- 32-bit devices only, iOS 10 blobs/versions are not supported - 32-bit devices only, iOS 10 blobs/versions are not supported
- **Please read the ["Troubleshooting" wiki page](https://github.com/LukeZGD/iOS-OTA-Downgrader/wiki/Troubleshooting) for tips, frequent questions, and troubleshooting!** - This feature is not supported on Windows
- This script can also be used to just enter kDFU mode for all supported 32-bit devices
## Supported devices ## Supported devices
- [Identify your device here](https://ipsw.me/device-finder) - [Identify your device here](https://ipsw.me/device-finder)
- **iPhone 5C and iPad mini 3 devices are NOT supported!** - **iPhone 5C and iPad mini 3 devices are NOT supported!**
- iPhone 5C can still be restored to versions that you have SHSH blobs for - iPhone 5C can still be restored to versions that you have SHSH blobs for
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</tbody> </tbody>
</table> </table>
## Requirements
- **Read the ["How to Use" wiki page](https://github.com/LukeZGD/iOS-OTA-Downgrader/wiki/How-to-Use) for a step-by-step tutorial**
- **A supported device in any iOS version (listed above)**
- A **64-bit Linux install/live USB** or a supported **macOS/Windows** version
- The IPSW firmware for the version you want to downgrade to
- Links: [iOS 10.3.3](https://ipsw.me/10.3.3), [iOS 8.4.1](https://ipsw.me/8.4.1), [iOS 6.1.3](https://ipsw.me/6.1.3) (ignore the signing statuses in the site)
- The script can also download it for you
<details> <details>
<summary>For Pangu 32-bit users:</summary> <summary>For Pangu 32-bit users:</summary>
<ul><li>For 32-bit users using Pangu and normal method, install the latest untether for your iOS version <a href="https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/tag/untether">here</a></li></ul> <ul><li>For 32-bit users using Pangu and normal method, install the latest untether for your iOS version <a href="https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/tag/untether">here</a></li></ul>
</details> </details>
## Supported OS versions/distros ## Supported OS versions/distros
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- [**Debian**](https://www.debian.org/) 11 Bullseye, Testing and Unstable - [**Debian**](https://www.debian.org/) 11 Bullseye, Testing and Unstable
- [**openSUSE**](https://www.opensuse.org/) Tumbleweed and Leap 15.3 - [**openSUSE**](https://www.opensuse.org/) Tumbleweed and Leap 15.3
- **macOS** 10.13 and newer - **macOS** 10.13 and newer
- Windows 10 or 8.1 (7 may also work) - **Windows** 7 and newer, including 8.1 and 10
## Tools and other stuff used by this script ## Tools and other stuff used
- cURL - cURL
- bspatch - bspatch
- [ipwndfu](https://github.com/LukeZGD/ipwndfu) - LukeZGD fork - [ipwndfu](https://github.com/LukeZGD/ipwndfu) - LukeZGD fork