Performing a Jailbreak with Palera1n

Palera1n is a semi-tethered jailbreak for iOS. This guide walks you through the full process of jailbreaking your iOS device using Palera1n.

Original article: medium.com/@justmobilesec

Device example: iPhone X iOS versions: 15.x – 17.x

✅ Pre-requisites

  • Supported device for Palera1n Check here → ios.cfw.guide

  • iOS version between 15.x – 17.x

  • macOS (Steps conducted on Mac OSX)

🛠 Jailbreak Steps with Palera1n

Step 1: Check iOS Version

  • Go to Settings → General → About → iOS Version

Step 2: Install Palera1n

  • Visit palera.in

  • Download and install via terminal:

    sudo mkdir -p /usr/local/bin
sudo mv ./palera1n-macos-universal /usr/local/bin/palera1n
sudo xattr -c /usr/local/bin/palera1n
sudo chmod +x /usr/local/bin/palera1n

  • Note for iPhone X (A11 chip): You must disable the passcode before jailbreaking.

Step 3: Trigger Jailbreak via DFU Mode

  • Plug device into Mac

  • Run sudo palera1n in terminal

  • Press buttons to enter DFU Mode

Step 4: Wait for Installation

  • Wait up to 2 minutes

  • Palera1n app appears on device

  • Open and set a custom root password

Step 5: Install Sileo Repository

  • Open Sileo app post-JB

  • Ready to install tools like Frida

Step 6: SSH Connection Setup

  • Palera1n uses OpenSSH on port 44

  • Run iproxy 22 44 for USB SSH tunneling

  • Default SSH credentials: root:alpine

  • Change using passwd post-connection

🚧 Common Jailbreak Issues

  • Missing Sileo app → Re-jailbreak required

  • Device unsupported → “Ignoring non-arm64” error

  • DFU mode not detected → Retry buttons or cable

  • Better success with USB-A cable over USB-C

🛡 Frida Setup

  • Once jailbroken, add Frida tooling via Sileo

  • Frida is instrumental in conducting dynamic analysis on iOS apps

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