26 January 2012

How to jailbreak or unlock iPhone4 with OS 4.0.1

Today In this Post, I  will tell you how to jailbreak iPhone 4 with OS 4.0.1 and unlock iPhone 4 with OS 4.0.1 using unlocking tool called Ultrasn0w released by DEV-Team for US based iPhone who use AT&N network. With this tool you will be able unlock your iPhone and use different networks like t-mobile.

Here's something that you need to know before you jailbreak  or unlock  iPhone:
Important Note:-
1.      If you jailbreak or unlock you void your apple warranty and violate apple's Apple iPhone Software License Agreement.

2.      If you jailbreak an iPhone, you will not be able to update to the latest iOS firmware update until a new jailbreak has been released.

First i will show you steps to Jailbreak your iPhone 4 with OS 4.0.1 because you need to jailbreak to unlock iPhone 4.

 Follow instruction below to Jailbreak iPhone 4:

1. Backup your Contacts, Apps, Photos, Videos and Everything in your iPhone to iTunes.
2. Update your iPhone to OS 4.0.1 firmware with iTunes. (If you did this already, Skip this Step)
3. Now you need to connect to a Wi-Fi Connection.
4. Go to Safari app in your iPhone and type the following URL in the Address Bar: http://jailbreakme.com
5. Next "Slide to Jailbreak" your iPhone.
6. Now Wait Until jailbreak tool download the required files.

7. After the Download is complete, it will automatically start the jailbreak process and wait until the process is completed.

8. Once the process in completed you will see the following message on your iPhone screen:

9. Cydia has now been added to your iPhone and it's Jailbroken

After You Jailbreak you iPhone 4, now you can Unlock it Using the tool called Ultrasn0w.

Now (i). Start the Cydia App on iPhone. (That's why to need to jailbreak your iPhone 4 to Unlock it.)
(ii). Go to Manage and Add a Source

(iii). Touch on “Edit” and then on “Add”. Next you have type http://:repo666.ultrasn0w.com  in the source bar and next touch on “Add Source”.

Cydia will now automatically update your sources by following a series of automated steps.
(iv). Once the installation is complete search for “ultrasn0w 1.0-1” in Cydia and install this application. After you Install this app, your iPhone 4 is unlocked and you use any carrier service now. AND don't forget step 5.
(v). Finally you just restart your iPhone 4.

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Hv gr8 day!

Source:  Redmondpie.

AbhiShek SinGh
Founder of 'TheHackingArticles'. Cyber Security Analyst, Cyber Security Researcher, and Software Engineer. Follow 'AbhiShek SinGh' on Facebook , Twitter or Google+ or via Email

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