Enjoy your jailbroken iPhone 3G! In the days to come, I’ll post an update on jailbreaking newer iPhones / iPad with iOS 5.0.1.
#Redsn0w download 4.2 1 install
You may be informed that the Cydia version is outdated and no longer supported, click on Changes and install all available updates. When the whole process is complete, go to Cydia from your springboard (Menu) on your phone. A couple of minutes later, you have yourself a jailbroken iPhone 3G with iOS 4.2.1 The installation stops on your computer after a while and later continues on your mobile phone.
Now after few seconds release “Power” button but keep holding “Home” button until installation begins.Īs soon as installation starts, you’ve got nothing to do but just sit, relax and watch the magic happen. Quickly hold “Power” button and then while holding the “Power” button, you will now have to hold “Home” button too.
#Redsn0w download 4.2 1 how to
This is quite easy and you need to closely follow the prompt or the whole process will fail.Īt this stage you will be presented with a screen where you will be guided on how to enter DFU mode. Now click Next and on the next page, you have to do certain combinations to make you iPhone enter DFU mode. At this point, be sure your phone is switched off and now connected to your computer via USB.ħ. With RedSn0w 0.9.6rc7, there’s no need to select firmware files each time you need to boot your tethered jailbreak device. You only need this if you need to unlock your iPhone using ultrasn0w after jailbreaking with redsn0w.Ħ. Dev-Team has just released RedSn0w 0.9.6rc7 with One-click boot option for tethered iOS 4.2.1 jailbreak devices. Select the options as shown below: Please note that the third option,”Install iPad baseband,” is optional. Redsn0w processes the firmware after which you must click the Next buttonĤ. ipsw firmware file you downloaded earlierģ. If you’re running Windows 7, be sure to run redsn0w as Administrator.Ģ. Extract the content of the zip folder and start Redsn0w.
You done it before, haven’t you? 🙂 Now that you already have iOS 4.2.1 installed, lets get to the jailbreaking proper…ġ. – Go to iTunes, you should be notified that your phone firmwares needs to restored for it to work. – Hold down the home key and connect your phone to the computer. If you already have iOS 4.2.1 there, you can skip the upgrade but if it’s 4.1 or something lesser than that, follow these steps: Don’t know how to check your firmware version? Go to Settings > General > About > Scroll down till you see the version. We’re jailbreaking your iPhone 3G with iOS 4.2.1 in this tutorial and if you’re running a lower version, you should connect your phone to iTunes to upgrade the firmware.
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