Research Updated Oct 25, 2023

Jailbreak iOS 12.5.7: A Guide

Jailbreak iOS 12.5.7

iOS 12, initially released in 2018, received its final update, version 12.5.7, on January 23, 2023, bringing crucial security enhancements. It is highly advisable for all users to install this update. This guide will walk you through the process of jailbreaking your iPhone 6 or iPhone 5S running iOS 12.5.7. By jailbreaking, you can enable tweak support, unlock various enhancements, and access new features on iOS 12.5.7 jailbreak.

Chimera Jailbreak, unlike unc0ver, was updated to support iOS 12.5.7, granting users the ability to jailbreak their iPhones, iPads, and iPods compatible with this firmware version. Remarkably, there are 13 different iDevices capable of running iOS 12.5.7 that can be successfully jailbroken using the Chimera App. The jailbreak installs Sileo and a tweak injection library to allow tweaks to run in the background. Chimera 1.6.5 is the latest version of the iOS 12.5.7 jailbreak.

Some of the most popular models that can benefit from this update include the iPhone 6, iPhone 6 Plus, iPhone 5S, iPad Mini 2, and iPad Mini 3. For a comprehensive list of compatible devices, you can use the web-based iOS Signing Status Tool. By providing the specific firmware versions (in this case iOS 12.5.7), users can easily check whether their devices are eligible for the Chimera Jailbreak, ensuring a smooth and successful jailbreaking experience.

At first, there was an unofficial fix to make Chimera Jailbreak iOS 12.5.7 possible. However, now the official release supports also the latest iOS 12.5.7 firmware running A7-A9.

How to jailbreak iOS 12.5.7

The latest update of Chimera Jailbreak by CoolStar gives support to jailbreak iOS 12.5.7. This guide will walk you through the process of jailbreaking iOS 12.5.7 with this intuitive tool. Notably, the jailbreak workflow remains consistent for all iOS 12 releases, spanning from 12.0 to 12.5.7. Follow the steps outlined in this guide to successfully jailbreak your device and enjoy the freedom to customize and enhance your iOS experience.

Step 1. Download Chimera IPA, the iOS 12.5.7 jailbreak.

Step 2. Install Sideloadly for Windows or macOS.

Step 3. Sideload Chimera IPA by following the guide Installing IPA on iPhone.

Sideloadly screenshot.

Step 4. Open Chimera App from your Home Screen.

Chimera iOS 12.5.7 Home Screen.

Step 5. Tap on the arrow button to reveal if your iPhone is compatible.

Step 6. Click on Jailbreak to start the jailbreak iOS 12.5.7 process.

Chimera iOS 12.5.7 jailbreak app.

Step 7. Please wait for the iDevice to respring and apply changes.

Step 8. Open Sileo app from the Home Screen.

Sileo iOS 12.5.7 Home Screen.

Step 9. Refresh all sources and upgrade available packages.

Upgrade jailbreak packages on iOS 12.5.7.

Step 10. Respring your iOS 12.5.7 device to apply changes.

Tip: Whenever you reboot, the iOS 12.5.7 jailbreak will be disabled. Open the app again and tap on “Jailbreak”. If the app expires, install it again with the preferred method.


In summary, iOS 12 was initially made available for A5-A12 devices, but the later version, 12.5.7, released in 2023, is limited to only a select few devices. Thanks to the CoolStar tool, users can now execute the iOS 12.5.7 jailbreak on some of the most popular iDevices, such as the iPhone 6, iPhone 5S, iPad Air 2, and iPad Mini 2, all running the latest iOS 12 firmware. There is also an option for iOS 12.5.7 jailbreak no computer thanks to the Direct Install links for the Chimera App.

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