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The utility will execute the exploit and boot your device. Once complete, your device will respring, and a new will appear on your home screen. Open it to install Cydia . Method 2: The Chimera or Freya Approach (via Sideloadly)
iOS 12.5.7 is a relatively old version of Apple's operating system, and jailbreaking it can be a bit tricky. However, with the right tools and guidance, you can successfully jailbreak your device running iOS 12.5.7 on Windows. In this write-up, we'll guide you through the process of jailbreaking your iOS device using the jailbreak tool.
On your iPhone/iPad, the icon will appear, but it won't open yet.
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Breathing New Life into Legacy: Jailbreaking iOS 12.5.7 on Windows
: Restart your PC and enter the BIOS/Boot menu (usually F12, F11, or Esc). Select the USB drive to boot into the Checkra1n environment.
Once recognized, click the tab at the top of 3uTools. Select "Jailbreak" from the list of tools. 3. Install the Chimera App
Below are the three most reliable methods for jailbreaking iOS 12.5.7 from a Windows PC.
, jailbreaking on Windows is still very much alive in 2026. While Apple has long since stopped updating these devices, the jailbreak community continues to support them with tools that bypass standard restrictions. Best Tools for Windows Users
Which did you choose (Cydia, Sileo, or Zebra)?
Download the latest Chimera IPA for iOS 12.5.7.
Note: This method is only compatible with the iPhone 5s, iPhone 6, and iPad Air 1. A8X devices like the iPad mini 4 or iPad Air 2 are not natively covered under standard iOS 12 rules, but checkra1n easily handles all iOS 12.5.7 A7/A8 hardware. Step 1: Create a Bootable USB Drive Download on your Windows PC.
: Every time your device restarts or runs out of battery, the jailbreak environment will temporarily disable. Your standard apps will work, but Cydia and your tweaks will crash. To reactivate the jailbreak, simply boot your PC back into the USB drive and run the tool again.
Connect your iPhone/iPad to the PC. Tap on the device screen if prompted.
Methods 1, 2, and 3 are . This means that every time your iPhone or iPad completely runs out of battery or restarts, the jailbreak will temporarily deactivate. Your regular apps will still work perfectly.
Freya is a modern semi-tethered jailbreak specifically optimized for iOS 12.0 through 12.5.7. It supports all A7, A8, and A9 Apple devices. You use your Windows PC to sideload the app, and then complete the jailbreak directly on your device. Step 1: Download Sideloadly on Windows Download and install on your Windows PC.
Checkra1n should automatically detect your device on iOS 12.5.7.
