Jailbreak iOS 4.2.1 on iPhone 4, 3GS Untethered with PwnageTool and Unlock with Ultrasn0w [How to Guide]

iPhone developer and hacker Nadeem97 has released PwnageTool bundles which can jailbreakiPhone 4 and 3GS untethered on iOS 4.2.1, in the process preserves the old 01.59.00 baseband for iPhone 4 and 05.13.04 baseband for iPhone 3GS so that you can unlock with the existing version of Ultrasn0w.

How to Jailbreak iPhone 4 (1.59.00 Baseband) Untethered on 4.2.1 with GreenPois0n RC5 and Unlock with Ultrasn0w

The following instructions will help iPhone 4 unlockers to update to iOS 4.2.1 while keeping the old 1.59.00 baseband, jailbreak it untethered with GreenPois0n RC5, and then unlock it with Ultrasn0w.

iOS 4.2.5 on Verizon iPhone 4 Features Mobile “Personal Hotspot” [Hands-On Video]

In an hands-on with the just announced Verizon iPhone 4, Engadget has spotted the “Personal Hotspot” feature in iOS 4.2.5, running on the said handset.

Activate iPhone 4, 3GS, 3G Officially Without Original SIM or Hacktivation with Redsn0w 0.9.6b6 & SAM

iPhone developer and hacker Sam Bingner has released Subscriber Artificial Module (SAM)method which will allow you to officially activate your iPhone 4, 3GS and 3G without hacktivating, or using original SIM card.

“Subscriber Artificial Module (SAM)” tricks your iPhone and iTunes into creating legitimate activation tickets even though you’re unlocked with ultrasn0w.  This means you get the full benefit of push applications, and your battery life increases substantially.  If you’d like to try it out, check out http://www.bingner.com/SAM.html

Fix iTunes Error 1013 When Updating iPhone 4 to iOS 4.2.1

If you have tried updating to the recently released iOS 4.2.1 update on iPhone 4 and encountered Error Code 1013 or Error Code 1611, then you are a not alone. This has been a common issue across all iOS devices updating to iOS 4.2.1 and Apple Support Discussion forums are full of users complaining about this issue.

New Version of Sn0wbreeze Can Create Custom Firmware Files for iPhone 4 using Limera1n’s Exploit

George Hotz’ dramatic re-entry into the iOS jailbreaking scene has left many surprised, and certain people shattered (pun intended). In the hailstorm of all this iOS 4.1 jailbreaking news, jailbreak developer iH8Sn0w has announced that he will be releasing a new version of Sn0wbreeze for Windows (similar to PwnageTool for Mac) which will be based on Limera1n’s bootrom exploit.

Confirmed ! iOS 4.1 Jailbreak Using Bootrom Exploit works on iPod touch 4G, iPhone 4 and Even iPad !

Just a quick little heads-up, MuscleNerd of iPhone Dev-Team has confirmed that iOS 4.1 Bootrom exploit which was found by another iPhone hacker named pod2g works on the newly released 4th-gen iPod touch 4G, iPhone 4 and even iPad !

Here’s How You Can Update iPhone 4 on iOS 4.1 Without Upgrading 1.59.00 Baseband to 2.10.4

The final version of iOS 4.1 features a new baseband 2.10.4 which is currently not supported by Ultrasn0w 1.1-1. If you update your iPhone 4 to iOS 4.1, and then later downgrade back to iOS 4.0.x (with SHSH blobs), you still wont be able to unlock your phone as the downgrading of firmware wont downgrade your baseband, hence making it impossible to unlock.

The following step by guide will enable you to upgrade iPhone 4 to iOS 4.1 without upgrading to 2.10.4 baseband. This method assures that your iPhone 4 on iOS 4.1 is on the older 1.59.00 baseband which will enable you to unlock your phone as soon as the new jailbreak tool for iOS 4.1 is released.

Download iOS 4.1 Final Version for iPhone 4, 3GS, 3G, iPod touch

Apple has just released the very final version for iOS 4.1 for iPhone 4, iPhone 3GS, iPhone 3G and iPod touches. This version of iOS brings a number of new features for iPhone and iPod touch users including: Game Center, HDR Photography for iPhone 4, iTunes Ping, HD video upload on YouTube and MobileMe for iPhone 4 and iPod touch 4G and so on. If you want to keep your jailbreak and unlock, you better not update to this latest firmware now until and unless new jailbreak and unlock tools are available for download.

To update to iOS 4.1, all you need to do is to connect your iPhone or iPod touch with your computer via USB and start iTunes. You should now see a message as shown below. Simply click on “Download and Install” button to get on to the new firmware.

How to Restore iPhone 4, 3GS on iOS 4.0.1 Successfully, Bypassing iTunes 1004, 1015 Error

So you have an iPhone 4 or iPhone 3GS (New Bootrom), running iOS 4.0.1, with SHSH blobs saved on Cydia, and you want to restore your iPhone again to iOS 4.0.1. Now that Apple has stopped signing iOS 4.0.1, you wont be able to restore your iPhone 4 on iOS 4.0.1 by simply pointing iTunes to iOS 4.0.1 ipsw file. Because if you do so, iTunes will throw an error: “This iPhone [your name] iPhone could not be restored. This device isn’t eligible for the requested build.

Carrier Unlock for iPhone 4 on iOS 4.0.1 Released !!

As promised, the iPhone Dev-Team has released the carrier unlocking tool calledUltrasn0w for US based iPhone 4 users who are stuck with AT&T network. For those of you who don’t know, carrier unlock for US iPhone 4s required complete rewrite ofultrasn0w software because of the new baseband OS present in iPhone 4.

Since Apple is selling unlocked iPhone 4s internationally, it is only the United States users who are still locked on AT&T network. So if you want to use your new iPhone 4 on networks other than AT&T, like T-Mobile for example, you can use this newly released Ultrasn0w 1.0 software to unlock your phone.

Simply follow the instructions posted below to unlock your iPhone 4 on iOS 4.0.1 / 4.0 on 01.59.00 baseband.

NOTE: T-Mobile US users will have to disable 3G by navigation to: Settings->General->Network and turning the "Enable 3G" switch to OFF before installing the ultrasn0w unlock.

How to: Jailbreak iPhone 4 on iOS 4.0.1: 

Step 1: Unlocking requires that your phone is jailbroken on the latest firmware. Follow the complete guide posted here to jailbreak your iPhone 4 on iOS 4.0.1 / 4.0 usingJailbreakMe 2.0.

How to: Unlock iPhone 4 (Any Baseband) on iOS 4.0.1: 

Step 2: Once you are done with the jailbreak, you can now unlock your iPhone on any baseband using Ultrasn0w 1.0-1 from Cydia. To do this:

• Start “Cydia” on your iPhone.
• Touch on “Manage” tab on the bottom.
• Now touch on “Sources” as seen in the screenshot below:

• Touch on “Edit” and then on “Add”. You will be prompted to enter a url source as seen in the screenshot below. Type “http://repo666.ultrasn0w.com” and touch on“Add Source” to add this repo if you haven’t already.

Cydia will now automatically update your sources by following a series of automated steps.

• After installation is completed. Search for “ultrasn0w 1.0-1” in Cydia and install this application. This app will automatically unlock your iPhone so that you can use it with any carrier.

Step 3: Now simply restart your iPhone and voila! you should now have a fully unlocked iPhone 4 !
Disclaimer: This guide is for testing & educational purposes only. I’m not responsible for any loss of important data or malfunctioning of your iPhone. [via Twitter]


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