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With an iPhone jailbreak you can about alternative stores like Cydia on a variety of other apps to access that has not left Apple in its App Store, and also one must not bind to the telephone company, one of the mobile phone get. hasSince the phone is now available in many places, has done something this point though, but you must know two things when a iPhone Jailbreak: First void your warranty by Apple, secondly, can the original state on iTunes usually recover.Through this recovery, it may happen that one needs to perform a jailbreak again after the renewal of the operating system. In addition, there are for each software version is always seeking new ways – this guide is based on the current version iOS 4.2.1.

IPhone Jailbreak: What is required

?iPhone 4iOS 4.2.1iTunes 10.1Greenpois0n 1.0rc6.1Cydia

IPhone Jailbreak: This is how it

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Version

With an iPhone jailbreak, it is first important to know the version of the firmware. These instructions assume that you own an iPhone 4 that is installed on the smartphone and it has iTunes 4.2.1 IOS 10.1. Moreover, the steps directed to Windows users.

2

Software

Jailbreak an iPhone can be tethered and untethered to perform – for both of you need software. Redsn0w 0.9.6rc8 would be one Greenpois0n also does a good job and the simplicity, the guide explains how to deal with that very program.

3

Download

First, you charge down 1.0rc6.1 Greenpois0n for Windows.

4Back

If the iPhone connects to your PC and backs up all data on the phone in iTunes – this includes apps and contacts with one. A full backup can not hurt. Then it closes iTunes.

5

Start program

The phone is turned off, but remains connected to the PC. Now open Greenpois0n and click on “Prepare to Jailbreak”.

6

DFU mode

The DFU mode is now turned on. Greenpois0n are some instructions on this, you must follow: First, you must hold the sleep button for 2 seconds, one second, this holds for 10 seconds while simultaneously pressing the home button. Third, you can release the Sleep button and holding the home button for another 15 seconds.

7

Jailbreak

Now is released in Greenpois0n the “Jailbreak!” To which you clicked. The program transfers the jailbreak software, then you can “Quit” button.

8

Cydia

Go before it can be downloaded on Cydia now charges the iPhone and install it. Then you delete the loader again.

9

Refresh

The iPhone 4 is now in Cydia gejailbreakt and you can now update the data.

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