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Download Cydia App iOS 15.4
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Cydia App Install for iOS 15.3.1 – iOS 15.4 Checkra1n Windows / Mac

Jailbreak iOS 15.4 Using Checkra1n

Apple released iOS 15.4 beta 4 to registered developers following the release of beta 3 last week. Unlike iOS 15.3, iOS 15.4 comes packed with new features, changes, and additions. Checkra1n is one of the most used semi-tethered applications used to jailbreak the iPhone. The good news is that you now have an untethered version of Checkra1n available online by which you can jailbreak your iOS without any requirement of connection to other devices. Here are the steps to jailbreak your device.

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While you are doing this process the iDevice has to face a number of issues, simply the iOS 15.3 to iOS 15.2 jailbreak process is a risky process for the iDevice. The iCloud Bypass method with the IMEI number process doesn’t need any jailbreak process to start the iCloud Bypass process.

Checkra1n is the only semi-tethered tool that is supported to jailbreak iOS 15.2 running iPhone 6S – iPhone 13 Pro Max Models.
Checkra1n confirms the latest iOS 15.2.1 Jailbreak compatibility as well.

 Checkra1n Jailbreak for Windows users

Below we’ve detailed everything we know about iOS 15.4, including when it’s likely to launch, and we’ll be updating this article when we hear more, so check back soon. 3u Tools is a windows based universal application  for restore, Install IPA Files, jailbreak or manage your iOS device.

Here are 3 u tools provide windows support for Checkra1n Jailbreak, because checkra1n officially is not available for windows. 

9 Steps Cydia Install iOS 15.4-15.3 checkra1n Jailbreak 

Checkra1n Cydia Jailbreak iOS 15.3 – iPhone XS, XS Max, XR 

Chekra1n iOS 15.3 App Install Overview

Therefore, follow the Checkra1n jailbreak with 3uTools on Windows PC to complete the Jailbreak process. It requires a USB flash drive above 1GB storage.

install Cydia For iOS 15.3.1 – iOS 15.4 Checkra1n Step Guide

Step 01 – Plug your USB flash drive to your Computer. Download the 3UTools from the following button. Download 3uTools

Step 02 – Run 3uTools from the computer. Then, go to Flash & JB-Jailbreak, tap Jailbreak & select  “Make Checkra1n jailbreak USB flash drive.”

Step 03 – Now you can choose your USB Flash drive from the drop-down menu.

Step 04-  Tap on the “start making” button, then tap “Yes” for the popup message. You will get a Jailbreak U disk message. Then exit from the 3utools.

Step 05 – Plug your iPhone or iPad to Windows computer. Now Restart the  computer.  Once done, navigate to Boot Manager and select the USB drive from there.

Step 06 – Now you will get the Checkra1n jailbreak interface. Now tap Start > checkra1n options > Allow untested iOS/iPadOS/tvOS versions > OK. Follow onscreen instructions to put your device on DFU mode.

Step 07 – Your device will reboot and the Checkra1n app will appear on your iPhone / iPad homescreen. Run the Checkra1n app to complete the Jailbreak process.

  • Follow the same steps as done in case of Uncover and change your device settings.
  • Download Checker 1 n from
  • After downloading, go to settings and click on the profile downloaded.
  • Click on install now and install iOS 15.3.1 – iOS 15.4 Jailbreak.
  • After installing, click on jailbreak button.
  • Now, you can see Cydia installed on your device.

Step 01 – Tap the button below to download the Checkra1n dmg file to your Mac. Download Checkra1n 

Step 02 – Drag the downloaded Checkra1n file into the Applications. 

Install Cydia For iOS 15.3.1
Install Cydia For iOS 15.3.1

Step 03 –  Connect the Mac and the device. Open Mac’s application folder > checkra1n > Contents > MacOS > Checkra1n_gui Terminal file. Your device will be recognized by Checkra1n.

Follow special instructions when needed.

Step 04 – Click on the  Start now. Then it will ask you to enter DFU Mode. Click on Next and it will guide you to enter the DFU Mode. 

Step 05 – Again click the Start button and Turn the device into DFU mode by pressing the side button and Volume down button as the instructions right of the window.

Install Cydia For iOS 15.3.1

Step 06 –  Once entered DFU mode successfully, it will start the jailbreak process. Wait until you complete and close the checkra1n application after completing the jailbreak process. The Checkra1n app will be added to your device homescreen.

Step 07 – Open the Checkra1n application from your device homescreen. Click on Cydia > Install Cydia> Done. Now Cydia on your device.