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+## Section 1 - Set up iOS-OTA-Downgrader
+
+1. [Download iOS-OTA-Downgrader here](https://github.com/LukeZGD/iOS-OTA-Downgrader/releases/tag/latest) and extract the zip archive.
+    - You may also clone the repo: `git clone --depth 1 https://github.com/LukeZGD/iOS-OTA-Downgrader.git`
+1. Open a Terminal window.
+1. Start the script: Go to where the extracted files are located, drag `restore.sh` to the Terminal window, and press Enter/Return.
+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.