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# SECTION 0 - Things to note before you begin # Section 0 - Things to note before you begin
- Some of the sections and steps will be separated depending on your platform and device. - Some of the sections and steps will be separated depending on your platform and device.
- Make sure that your OS version/distro and your iOS device are compatible before proceeding. - Make sure that your OS version/distro and your iOS device are compatible before proceeding.
- Make sure to have at least 10 GB of free space. - The restore will ERASE ALL DATA on your iOS device. Backup your data before proceeding.
- **For A7 devices, Windows support is limited.** Read [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md) for more details. - Make sure to have at least 10 GB of free space on your PC/Mac.
- **For A7 devices, Windows support is limited.** Read [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md#windows) for more details.
- **Restoring to other versions with SHSH blobs is not supported on Windows.** - **Restoring to other versions with SHSH blobs is not supported on Windows.**
# SECTION 1.1 - Setup for PC/Mac # Section 1.1 - Setup for PC/Mac
## Windows ## Windows
1. Your installation of Windows must be **64-bit**. Windows 8.1 and 10 are supported, but Windows 7 may also work. 1. Your installation of Windows must be **64-bit**. Windows 8.1 and 10 are supported, but Windows 7 may also work.
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1. Go to where the extracted files are located, and drag `restore.sh` to the Terminal window, and press Enter. 1. Go to where the extracted files are located, and drag `restore.sh` to the Terminal window, and press Enter.
1. On its first run, it will download and install dependencies. This will take some time depending on your Internet connection. When it's done, proceed to the next section. 1. On its first run, it will download and install dependencies. This will take some time depending on your Internet connection. When it's done, proceed to the next section.
# SECTION 1.2 - Setup for iOS device # Section 1.2 - Setup for iOS device
## 32-bit devices ## 32-bit devices
1. [Jailbreak your device.](https://www.reddit.com/r/LegacyJailbreak/comments/jhjam8/tutorial_how_to_sideload_apps_ipas_used_for/) 1. [Jailbreak your device.](https://www.reddit.com/r/LegacyJailbreak/comments/jhjam8/tutorial_how_to_sideload_apps_ipas_used_for/)
- For alternatives, the DFU advanced menu can also be used. Read [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md) for more details - For alternatives, the DFU advanced menu can also be used. Read [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md#dfu-advanced-menu-for-32-bit-devices) for more details
1. Open Cydia, and wait for sources to refresh. When it asks to upgrade, tap Ignore. 1. Open Cydia, and wait for sources to refresh.
1. Go to Search, and search for OpenSSH. 1. When it asks to upgrade, tap Upgrade Essential. After the upgrade, Cydia will crash.
1. Open Cydia again, go to Search, and search for OpenSSH.
1. When OpenSSH shows up, tap and install it. 1. When OpenSSH shows up, tap and install it.
- If you have an iPhone 5 or an iPad 4 on iOS 10, do the additional steps below. Otherwise, proceed to the next section. - If you have an iPhone 5 or an iPad 4 on iOS 10, do the additional steps below. Otherwise, proceed to the next section.
1. Go to Sources, tap Edit at the top right, then tap Add at the top left. 1. Go to Sources, tap Edit at the top right, then tap Add at the top left.
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## A7 devices ## A7 devices
1. No prior setup is needed. Proceed to the next section. 1. No prior setup is needed. Proceed to the next section.
# SECTION 2 - Downgrading the device # Section 2 - Downgrading the device
## 32-bit devices ## 32-bit devices
1. Connect your iOS device to your PC/Mac. Make sure to also trust the computer by selecting "Trust" at the pop-up. 1. Connect your iOS device to your PC/Mac. Make sure to also trust the computer by tapping "Trust" at the pop-up.
- **Windows/macOS**: Double-check if the device is being detected by iTunes/Finder. - **Windows/macOS**: Double-check if the device is being detected by iTunes/Finder.
1. Run the script. 1. Run the script.
- **Windows**: Go to where the extracted files are located, and run `restore.cmd` (the one that has the gears icon) - **Windows**: Go to where the extracted files are located, and run `restore.cmd` (the one that has the gears icon)
- **macOS/Linux**: Go to where the extracted files are located, and drag `restore.sh` to the Terminal window, and press Enter/Return. - **macOS/Linux**: Go to where the extracted files are located, and drag `restore.sh` to the Terminal window, and press Enter/Return.
1. When the main menu shows up, type '1' and press Enter/Return. 1. When the main menu shows up, type '1' and press Enter/Return to select Downgrade device.
1. Select your target version and options, and follow the instructions that the script will give you. 1. Select your target version and options, and follow the instructions that the script will give you.
1. After the downgrade process, your device will be successfully in your selected target version. 1. After the restore process, your device will be successfully in your selected target version.
- **Windows**: The restore process may give out an error on your first try. If this happens, follow the steps in [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md) - **Windows**: The restore process may give out an error on your first try. If this happens, follow the steps in [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md#windows)
## A7 devices ## A7 devices
- Connect your iOS device to your PC/Mac. 1. Connect your iOS device to your PC/Mac.
- Run the script. 1. Run the script.
- **Windows**: Take note of the limited support on Windows before proceeding. More details in [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md) - **Windows**: Take note of the limited support on Windows before proceeding. More details in [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md#windows)
- **macOS/Linux**: Go to where the extracted files are located, and drag `restore.sh` to the Terminal window, and press Enter/Return. - **macOS/Linux**: Go to where the extracted files are located, and drag `restore.sh` to the Terminal window, and press Enter/Return.
- Let the script put the device to recovery mode, and follow the steps to enter DFU mode. 1. Let the script put the device to recovery mode, and follow the steps to enter DFU mode.
- When in DFU mode, wait for the script will put the device to pwnDFU mode. 1. When in DFU mode, wait for the script will put the device to pwnDFU mode.
- **Linux**: Entering pwnDFU mode can fail a lot on Linux. Read [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md) for more details - **Linux**: Entering pwnDFU mode can fail a lot on Linux. Read [TROUBLESHOOTING.md](https://github.com/LukeZGD/iOS-OTA-Downgrader/blob/master/TROUBLESHOOTING.md#linux) for more details
- When the main menu shows up, type '1' and press Enter/Return. 1. When the main menu shows up, type '1' and press Enter/Return to select Downgrade device.
- Select your target version and options, and follow the instructions that the script will give you. 1. Select your target version and options, and follow the instructions that the script will give you.
- After the downgrade process, your device will be successfully in iOS 10.3.3. 1. After the restore process, your device will be successfully in iOS 10.3.3.