Jailbreak iOS 14

A12 Jailbreak iOS 12 – 12.1.2 NO Computer with Chimera

How to Jailbreak iOS 12 - 12.1.2 without a Computer (PC)

The new iOS 12 – iOS 12.1.2 Chimera A12 Jailbreak is, as the majority of you know, available for download (here). However due to the delivery method of IPAs, the Chimera jailbreak A12 app requires a computer to properly sideload it. In today’s post-PC world, an overwhelming number of our readers are seeking a “no computer” A12 jailbreak iOS 12 method. Thankfully, you can jailbreak A12 on iOS 12 – 12.1.2 without a computer (Mac or PC)!

However while the answer to a no computer A12 jailbreak is “yes”, there are several caveats that we must outline. First and foremost, a computer is only needed due to how iOS apps are installed (i.e. traditionally strictly through the App Store). To combat this problem, iOS jailbreak developers employe the use of Apple’s self-signing app service. This method allows jailbreakers to run the app on their devices without being a developer (which is the only other app distribution method outside the App Store). Enter, sideloading and developer enterprise accounts.

Install Apps without self-signing or App Store

Jailbreak iOS 12 Unc0ver no Computer

Aside from either self-signing apps with a regular Apple ID (detailed above) or purchasing a $99/year developer account yourself, one loophole exists. Apple’s developer enterprise program allows for apps to be installed without the App Store or a computer! These accounts are typically meant for Apple’s enterprise (business) developer partners, including the likes of most Fortune 500 companies.

This program is worth mentioning because it’s how individuals can install Chimera without the need of self-signing. But this is where things get complicated though. Due to the fact that sites and services are basically re-distributing the application, it’s technically possible for their to bundle their own code with the app! This is where iOS malware becomes a theoretical possibility.

No Computer Chimera Jailbreak: is it SAFE?!

While we can’t say with 100 percent certainly because we don’t have the source code for the Chimera app, Coolstar (the main developer behind the Chimera jailbreak) has acknowledge its distribution through such known channels. Said channels are the very source we’re going to use today to install the A12 jailbreak without a computer. Having said that, proceed with caution! If for any reason you feel like avoiding the no computer on-device method, we ALWAYS recommend using the computer method (click for tutorial).

How to Jailbreak iOS 12.1.2 NO Computer

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Jailbreak iOS 12.1.2 not working
Step 1a: We recommend using the TweakBox app site on your device – tap here. If you want though, you can use ignition instead in Step 1b. When using TweakBox, tap on “Install Now”, followed by “Allow” to the prompt. Install the profile when prompted. Open the TweakBox app, tap Apps at the top > Tweakbox apps and search for “Chimera”. Install the Chimera jailbreak app.

Step 1b: If you choose to use an alternative to Tweakbox: Visit the Ignition app site on your iPhone or iPad – tap here. Tap the “Install Now (App)” button in the middle of the page and install the configuration profile using the on-screen prompts. Open the Ignition app, tap the second tab at the very bottom. Go to Jailbreaks, scroll all the way down, tap on the Chimera jailbreak for iOS 12 – 12.1.2. Tap ‘Get’, followed by ‘Install’.

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Step 2: Once installed, navigate to the Settings app. Tap General > Device Management, followed by tapping on the certificate under the “Enterprise App” title. Tap ‘Trust’, followed by ‘Trust’ again.

Step 3: Delete any pending OTA software updates your device may have attempted to auto install. To do this, navigate to Settings > General > iPhone Storage (this is dynamic based on your device). Find the software update, tap it, followed by “Delete Update”. Next, install the tvOS beta profile to prevent OTA iOS software updates from loading – this is available on our download page (tap here).

Step 4: Open the Chimera iOS 12.1.2 app on your device and tap the jailbreak button. Your device will look reboot.

Step 5: Immediately When your device comes back, open the iOS 12 Chimera A12 jailbreak app again and tap jailbreak once more. At this stage, the jailbreak iOS 12.1.2 process is complete!

Download Tweakbox for Chimera Jailbreak App

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download chimera jailbreak

Download Ignition for Chimera Jailbreak App

download chimera jailbreak

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Top A12 Sileo tweaks once Jailbroken

Top Chimera Tweaks

After jailbreaking iOS 12, you may be wondering “now wha?”. Visit our top Sileo Tweaks article (tap here) for the best Jailbreak Tweaks.

Thank you for following our tutorial to A12 jailbreak iOS 12 – 12.1.2 without a computer. We hope you’ll follow us on social media for updates on new iOS 12.1.2 jailbreak tweaks, Chimera releases, future jailbreaks, and much more (Twitter / Facebook).



Tanner Marsh (also known as iCrackUriDevice) manages and runs both the iCrackUriDevice YouTube channel and the Best Tech Info website, reaching hundreds of millions of viewers/readers across the globe. Tanner enjoys hiking, running, investing, and anything tech related. Check out his YouTube videos for more awesome content.

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