By Jenefey Aaron

Updated on 2025-01-19

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|iOS 12/iOS 12.5.7 Jailbreak iPhone/iPad 2025 - Step-by-Step Guide

By Jenefey Aaron

2025-01-19 / Unlock iPhone

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Jailbreaking ios 12.5.7 - I have been attempting to jailbreak an old iPad Air, in an attempt to get some use out of it. All it can run is ios 12.5.7. Are there any legitimate jailbreaks out there for this old of software?

One of the challenges is finding a compatible jailbreak tool for your iOS version. If you have an old iPad Air/iPad mini 2 that can only run iOS 12.5.7, you might wonder if there are any methods to jailbreak iPad or iPhone. The answer is yes; some jailbreak tools support iOS 12.5.7.

In this guide, we will guide you how to jailbreak your iPhone or iPad running iOS 12.5.7 in 2024.

But before we proceed, you should know some basic facts about jailbreaking iOS 12.5.7. In the next part, we will cover everything you need to know about iOS 12.5.7 jailbreak.

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Part 1. Everything about iOS 12/iOS 12.5.7 Jailbreak [Must-Know]

Part 2. How to Jailbreak iPhone/iPad iOS 12.5.7 and Bypass Activation Lock

Part 3. How to Jailbreak iPhone/iPad iOS 12.5.7 with Checkra1n

Part 4. iOS12/iOS 12.5.7 Jailbreak with Chimera

Part 5. unc0ver Jailbreak iOS12/iOS 12.5.7

Part 1. Everything about iOS 12/iOS 12.5.7 Jailbreak [Must-Know]

Jailbreaking is the procedure of removing the software limitations set by Apple on iOS devices.

By jailbreaking your iPhone or iPad, you can gain root access to the system, allowing you to install apps that are unreachable on the official App Store. Jailbreaking also enables you to customize your device’s appearance, functionality, and performance according to your preferences.

Does iOS 12.5.7 support jailbreak?

Yes, iOS 12.5.7 supports jailbreak. In fact, iOS 12.5.7 is one of the most jailbreak-friendly versions of iOS, as it can be jailbroken by several tools, such as Checkra1n, Chimera, and unc0ver. These tools use different exploits and methods to jailbreak iOS 12.5.7, and they have different compatibility and features. We will introduce these tools in detail in the following parts.

Jailbreaking iOS 12/iOS 12.5.7 has both benefits and risks, and you should weigh them carefully before proceeding. Some of the benefits and risks are:

Benefits of Jailbreaking iOS 12/iOS 12.5.7

Customize your device to your liking, and make it more personal and unique.
Access more apps and games that are not available on the App Store, and expand the functionality of your device.
Unlock your phone from a distinct carrier or region and utilize it with any SIM card or network.
You can remove ads and in-app purchases from some apps and games and enjoy them for free.
Enhance the performance and battery life of your device by disabling unnecessary services and processes.

Risks of Jailbreaking iOS 12/iOS 12.5.7

May void the warranty on your device and lose official support from Apple.
May disclose your device to malware, viruses, and hackers, and compromise your security and privacy.
May face errors and bugs, if the jailbreak process fails or goes wrong.
May brick your device and make it unusable if you install incompatible or malicious tweaks and apps.
May not be able to update your device to the latest iOS version or lose the jailbreak after updating.

Part 2. How to Jailbreak iPhone/iPad iOS 12.5.7 and Bypass Activation Lock

Jailbreak cannot remove Activation Lock. So if you want to jailbreak iPhone or iPad running iOS 12/12.5.7 but don't remember your Apple ID password, or if you are worried that you will be stuck on activation lock after jailbreaking, you definitely can't miss this best tool: Tenorshare 4uKey.

This all-in-one iPhone/iPad Unlocker helps you jailbreak iPhone and iPad running iOS 12/12.5.7 and bypass iCloud Activation Lock without password easily. Once done, you can get an jailbroken & unlocked iPhone/iPad, allowing you to access and use your device freely.

It support most Apple devices running iOS 12 to 16.7.8, including iPhone 5s, iPhone 6/6s/6 Plus/6s Plus, iPhone 7/7 Plus, iPhone 8/8 Plus, iPhone 9, iPhone 10, iPhone X, iPhone SE, iPad 4/5/6/7, iPad Air, iPad mini, iPad Pro, etc. (It will supports more higher versions soon).

Key advantages of Tenorshare 4uKey

Easy to use, with a straightforward and instinctive interface and clear instructions.
Fast and efficient, with a high success rate to jailbreak iOS 12.5.7 and unlock activation lock.
Safe and secure, with no virus, malware, or privacy leakage.

How to Jailbreak iOS 12.5.7 Device And Remove Activation Lock

Install 4uKey on the computer and choose "Remove iCloud Activation Lock" to jailbreak and bypass Activation Lock on iOS 12.5.7 device. Then connect your device to your computer.
Choose “Next” to jailbreak and remove iCloud Activation Lock. To prevent file system damage, your iPhone will first enter recovery mode first.
When done, your iPhone will begin the jailbreaking process. Please wait patiently.
When your iPhone/iPad is jailbroken successfully, 4uKey will automatically remove activation lock without Apple ID/password.
Soon you can see that your iPhone/iPad running iOS 12.5.7 is jailbroken and iCloud activation lock removed successfully.

Part 3. How to Jailbreak iPhone/iPad iOS 12.5.7 with Checkra1n [Step-by-Step]

If your iPhone or iPad is not iCloud-locked, and you want to jailbreak it running iOS 12.5.7, one of the best tools you can use is Checkra1n. However, Checkra1n is only available for Mac users, and you need to have a Mac computer and a USB cable to jailbreak your device.

If you want to learn how to jailbreak iPad air 12.5.7, you need to follow these steps:

First install Checkra1n on your Mac from Checkra1n official website.
Make sure your macOS version and iPhone model are supported.
After downloading. Open the dmg file and extract the Checkra1n application to the folder. Now the tool is installed on your Mac.
Connect your iOS 12.5.7 device to your Mac using a USB cable. Make sure your connection is secure to avoid interruptions during the jailbreak process.
Open the Checkra1n from the application folder. The tool automatically detects connected iPhones. Click Start to start the iOS 12.5.7 jailbreak process.
Set the iPhone to DFU mode according to the screen instructions. This step is very important for jailbreaking iOS 12 - iOS 12.5.7.
When the iPhone is in DFU mode, Checkra1n goes jailbreak. Wait until the process is complete, then you can access Cydia from your iPhone home screen.

Note:

Since Checkra1n is a semi-tethered jailbreak, you will need to repeat steps 2 to 5 every time you reboot your device. Also, you will need to trust the Checkra1n app on your Mac before running it.

Part 4. iOS 12/iOS 12.5.7 Jailbreak with Chimera

Another tool that you can use to jailbreak your device running iOS 12 or iOS 12.5.7 is Chimera. Chimera is available for both Windows and Mac users, and you can also install it directly on your device without a computer.

To jailbreak iPhone 5s/iPad mini 2 or more device running iOS 12.5.7, you can follow these steps:

Download the latest version of Chimera.
Download Cydia Impactor to your computer and start it.
Connect your iPhone/iPad running iOS 12.5.7 to your computer by Lightning or USB-C cable (depending on the device).
Click the downloaded Chimera. IPA file and drag it to the Cydia Impactor window:
When prompted, enter a valid Apple ID:
When prompted, sign in with your Apple ID password:
Cydia Impactor will start sideloading the Chimera jailbreak app to your iOS device:
Once installed, go to Settings → General → Profile and Device Management and tap Apple ID:
Then tap the blue trust button and tap the red trust button in the pop-up that appears:
After following the above-recommended steps, tap the Chimera app on the home screen of the device:

Then tap the round jailbreak button in the Chimera app:

Once done, the Chimera jailbreak app will make sure you are jailbreaking:
Sileo must now be displayed on your home screen along with the Chimera jailbreak app:

That's all. You now have a jailbreak phone in Chimera's way.

Note:

Since Chimera is a semi-untethered jailbreak, you will require to repeat steps 4 and 5 every time you reboot your device.

Part 5. unc0ver Jailbreak iOS12/iOS 12.5.7

unc0ver is a semi-autethered jailbreak tool that supports iOS 12 through iOS 14.8. It was developed by pwn20wnd and his team, and it is constantly updated with bug fixes and improvements. Uncover supports supports iOS 12/iOS 12.5.7 jailbreak.

You can install Uncover Jailbreak IPA from zJailbreak and jailbreak iOS 12.5.7. Benefits of installing Uncover using the zJailbreak online method are:

This is the online method - you don't need to connect your iPhone to your PC whenever you need to jailbreak.
Fast and efficient - Have you ever tried to escape using Jailbreak IPA and Cydia Impactor? Take time to study Cydia Impactor errors.
No expiration date - Unless you are a developer registered with Apple, IPA jailbreak expires after 7 days.

Conclusion

To jailbreak iPhone/iPad running iOS 12.5.7, you can use tools like Checkra1n, Chimera, and unc0ver, etc. If you are looking for a tool to help you jailbreak and remove activation lock without password easily and safely, we recommend you try Tenorshare 4uKey.

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