Ways To Jailbreak iOS 4.2.1 With GreenPoison _Guide

Jailbreak iOS 4.2.1

In this article, you will learn how to Jailbreak iOS 4.2.1 by using GreenPois0n. This is an untethered jailbreak for iOS 4.2.1 was released a few times ago. Now, I already took it for a spin on my older iPhone 3G sporting iOS 4.2.1.

Now, this step-by-step guide will also show you how to use the GreenPois0n to jailbreak your iPhone iOS 4.2.1. This is also worth noting that this version will also not hacktivate your iPhone and that is so far. Now, there is only a Mac version.

A Greenpois0n jailbreak tool also gives you the possibility to perform an untethered jailbreak of iOS 4.2.1 that is from Windows and macOS. You can also use this tool to jailbreak iPhone 3GS, iPhone 4 GSM, iPhone 4 CDMA, iPod touch 2G, iPod touch 3G, iPod touch 4G, iPad, iPad 2, and iPhone 4S. Then you can also download the greenpois0n 1.0 RC6 for Windows and Mac.

Explain What is Greenpois0n?

A Greenpois0n is also a free desktop jailbreak tool that is created by the ChronicDev Team. So, that it can easily jailbreak your iDevice on macOS and Windows. These tools also support the iPhones, iPods, and Apple TV running iOS 4.2.1. This will also install the Cydia app using Loader. In case, if Cydia does not show up after Loader then you may also need to reboot the device.

Also, The jailbreak tool will not work from a virtual machine. This does not matter if you will use the Windows or OSX version. Now, this version of greenpois0n doesn’t include a patched activation system. So, you will also need to activate your device using iTunes.

You have to jailbreak the device by using the greenpois0n. Now, this should also run iOS 4.2.1 (4.2.6 for iPhone 4 Verizon). In case, if your iPhone is running on an older iOS version then please upgrade the system first using iTunes. A Greenpois0n 1.0 RC6.1 also works on macOS 10.5. Then the Windows version should also run on the latest Windows 10.

A Greenpois0n also uses a limera1n and SHAtter that exploits to jailbreak. Now, Both of the SHAtter and limera1n are boot ROM exploits. This also means that you cannot be patched by iOS updates it is because to boot ROM code that is embedded in the devices. So, what is more, then the jailbroken device can also reboot without computer assistance.

Ways To Launch GreenPois0n Correctly To Jailbreak iOS 4.2.1 :

So, This is actually a specific way that a GreenPois0n also needs to be launched on both Windows and Mac OS X. In case, if you are running a GreenPois0n on Windows. Then you will also need to ensure that you grant it as administrative privileges. Now, by right-clicking on it and by selecting the ‘run as administrator option’. A Mac OS X 10.8 Mountain Lion this is because of the new Gatekeeper software. So, there is also a trick to run a GreenPois0n. Now, you will also need to first hold down the control button and then select the ‘open’ option.

Steps Jailbreak iOS 4.2.1:

1: You have to Make sure that your iPhone is available on iOS 4.2.1 as a GreenPois0n. This will not work with any of the other firmware.

2: Then you can also Download the GreenPois0n from our iPhone downloads.

3: Now, you have to plug your iPhone into your computer using the USB cable. You can also launch the GreenPois0n. You can also click on the “Jailbreak” button.

Jailbreak iOS 4.2.1

 

4: This is as soon as you can also hit the jailbreak. Then you will have to follow instructions for putting your iPhone into DFU mode:

  • You can also Press and then hold the sleep button for 3 seconds.
  • Now, Continue holding the sleep button while pressing the home button for 10 seconds.
  • Then Release the sleep button while still holding the home button for 10 seconds.

5: Then your device will now also ready for the jailbreak. You just have to wait a little bit while GreenPois0n works on its magic.

6: When the jailbreak has been injected into your iPhone. Then you will also see a new icon on your springboard for Loader. You can also launch the Loader and then install the Cydia from there. In the end, you can also reboot your iPhone, and then you should have Cydia installed

7: So, you are done!. Now, Enjoy your newly untethered iPhone jailbreak for iOS 4.2.1.

A GreenPois0n Device Compatibility in Jailbreak iOS 4.2.1:

A GreenPois0n is also compatible with the older generations of the iPhone, iPod Touch, iPad, and even Apple TV. This is as well as various firmware versions dating back all of the ways to iOS 3. Sadly, the GreenPois0n has not been maintaining in the past iOS 4.2.1/4.2.6. This is because it was also replaced by the Absinthe Jailbreaking tool. In case, if your iOS device is also still running one of its supported firmware. Although, this is also a very great tool to use.

Also See: Cydia Tweaks 2015: Some Of the Best Jailbreak Tweaks

Conclusion:

It is also worth noting that this version will also not hacktivate your iPhone and that is so far. Now, there is only a Mac version. A Greenpois0n jailbreak tool also gives you the possibility to perform an untethered jailbreak of iOS 4.2.1 that is from Windows and macOS.

Hope you like it! Thank You!

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