Wednesday, March 21, 2012

How To Jailbreak iPhone 3GS On 5.1 Using Redsn0w On Windows

How To Jailbreak iOS 5.1 On iPhone 3GS Using Redsn0w For Windows

Earlier this month, apple pushed new iOS update 5.1 with some updates like Sir for iPhone 4S in Japanese language, setup assistant bug fix, some battery issues and some general updates like the permanent camera button on the lockscreen. Some iPhone users have already updated their devices to iOS 5.1 through OTA update.

This  method will update your iPhone baseband so if you rely on unlock then you should follow the tutorial that helps you upgrade your iPhone without updating the baseband here. This is a tethered jailbreak which means that every time your iPhone restarts you'll have to connect it to the computer and run redsn0w.

Take a back up of your iPhone before beginning.
Before we begin, make sure you download the current iOS 5.1 and the latest version of redsn0w.

Download link for redsn0w :
Download link for iOS 5.1 :

Place the downloaded files in a folder on your desktop. You need to extract the files from redsn0w archive.

how to jailbreak iphone 3gs using redsn0w on ios 5.1

Upgrading iPhone to iOS 5.1

Skip this step if your device is already on iOS 5.1. launch iTunes and wait for your iPhone to appear in the left side of iTunes. For the list of devices, select your device and by pressing down the shift key, click on restore button and point the iOS 5.1 firmware that you have downloaded on your dektop to iTunes. iTunes will start upgrading your device to iOS 5.1

jailbreaking iphone 3gs on ios 5.1 using redsn0w

If you followed the above steps exactly as mentioned, your iPhone should be upgraded to iOS 5.1


Once your iPhone is upgraded to iOS 5.1, launch redsn0w by right clicking on the application and selecting 'Run as administrator' because redsn0w requires higher permission level to jailbreak your iPhone.

how to jailbreak iphone 3gs on windows

jailbreak ios 5.1 using redsn0w on windows

Connect your iPhone to the computer and select the option 'jailbreak'

step by step guide to jailbreak iphone 3gs on ios 5.1

Turn off your iPhone and click next.

jailbreak ios 5.1 on windows using redsn0w

Follow the onscreen instructions carefully to enter DFU mode.

Instructions For Getting Into DFU Mode
  • Switch off your iPhone
  • Hold the power button for 3 seconds
  • Now, without releasing the power button also press and hold the home button for 10 seconds.
  • Without releasing the home button, release the power button but continue holding the home button until your device enters DFU mode and you redsn0w automatically detects it.
jailbreak iphone 3gs 5.1 using redsn0w

how to jailbreak iphone 3gs using redsn0w

what is jailbreaking and is it legal

If you followed the above steps correctly, redsn0w will reboot your iPhone and will begin the jailbreak process. 

jailbreak iphone 3gs help how to boot tethered on ios 5.1
Now select Cydia to complete the jailbrekeak process
how to boot tethered only 

Tethered Boot

Remember that this is a tethered jailbreak and you'll have to connect your iPhone to computer everytime your iPhone restarts. Follow the below process to boot tethered, ever time your iPhone restarts.

Step 1: Select Extras and click next

how to get dfu on iphone 3gs

Step 2: Select Just boot from the extras menu to boot your iPhone.

getting into dfu on iphone 3gs

That's it. You are done with jailbreaking and booting iPhone into tethered mode.

To restore iPhone from a saved back up, follow this guide

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