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iOS 4.2.1

iPhone 4 Hacked At Pwn2Own Contest

Taimur Asad·March 11, 2011
Charlie Miller has once again won the Pwn2Own contest by successfully hacking iPhone 4 using an exploit found in Mobile Safari to swipe the address book of the compromised iPhone.

iOS 4.3 vs. iOS 4.2.1 Web Browsing Speed Test [Video]

Oliver Haslam·March 5, 2011
With the iOS 4.3 Golden Master hitting dev's iPhones and iPads the world over, we've all been wondering just how much faster Safari is now that the new JavaScript optimizations have been added. The answer? A bit.

WhiteD00r Custom iOS 4.2.1 Firmware for iPhone 2G / 3G and iPod touch 1G / 2G Now Available for Download

Taimur Asad·February 20, 2011

Sn0wbreeze 2.2 Updated with a New Solution to Fix iBooks Issue on iOS 4.2.1 Jailbreak

Taimur Asad·February 19, 2011
iPhone developer iH8sn0w has pushed another update to Sn0wbreeze 2.2, apparently with a new solution to fix iBooks issue for devices on which it previously didn’t work.

Download GreenPois0n RC6.1 To Fix iBooks Error on iPhone, iPad, iPod touch [Video]

Taimur Asad·February 18, 2011
Chronic Dev Team has updated GreenPois0n to RC6.1 which incorporates fix by Comex for iBooks DRM error after jailbreaking iPhone, iPad or iPod touch on iOS 4.2.1 it with GreenPois0n RC5/6.

Sn0wbreeze 2.2 (PwnageTool for Windows) for Creating iOS 4.2.1 Custom Firmware Available for Download

Taimur Asad·February 16, 2011

PwnageTool 4.2 for iOS 4.2.1 Untethered Jailbreak Released !

Taimur Asad·February 16, 2011
The iPhone Dev Team has just released official version of PwnageTool 4.2 which incorporates the new kernel based exploit of GreenPois0n for creating full untethered iOS 4.2.1 custom firmware files. Almost all iOS devices are supported except for iPod touch 2G.

Sn0wbreeze 2.2 for Custom iOS 4.2.1 Firmware Teased

Taimur Asad·February 15, 2011
Screenshots of the upcoming Sn0wbreeze 2.2 for Windows has been teased yet again. In case you don’t already know, Sn0wbreeze for Windows is an alternative to PwnageTool for Mac which allows you to create custom firmware files which are jailbroken, untethered, and without the upgraded baseband.

GreenPois0n RC5 iOS 4.2.1 Untethered Jailbreak for Windows Now Available for Download

Taimur Asad·February 6, 2011

GreenPois0n RC5 Untethered Jailbreak for iOS 4.2.1 Released ! [How-to Video Guide]

Taimur Asad·February 4, 2011
Chronic Dev Team has finally released the much awaited GreenPois0n RC5 which brings full untethered iOS 4.2.1 jailbreak for all iOS devices. Unlike Redsn0w 0.9.7, GreenPois0n RC5 doesn’t require you to have SHSH blobs of 4.2b3 saved on Cydia. You can jailbreak any iOS device out of the box on iOS 4.2.1 using this latest version of GreenPois0n.

Redsn0w 0.9.7 Update Will Allow You to Untether iOS 4.2.1 Jailbreak Using iOS 4.1 Instead Of 4.2b3

Taimur Asad·January 23, 2011
The iPhone Dev-Team has successfully ported “Monte” technique back to iOS 4.1. This will enable users to untether the iOS 4.2.1 jailbreak on iPhone, iPad and iPod touch without having 4.2b3 SHSH blobs saved on Cydia.

GreenPois0n Update to Bring Full Untethered Jailbreak for iOS 4.2.1 Without Needing 4.2b3 SHSH Blobs [Video]

Taimur Asad·January 22, 2011

How to Downgrade iOS 4.3 to 4.2.1, 4.1 on iPhone 4, 3GS, iPad, iPod touch [Guide]

Taimur Asad·January 13, 2011
iOS 4.3 was released earlier today for iPhone 4, 3GS, iPad, iPod touch 4G, 3G and Apple TV. So if you upgraded to iOS 4.3 beta, and now you want to downgrade back to iOS 4.2.1 or 4.1, follow the instructions posted below to downgrade iOS 4.3 on iPhone 4, 3GS, iPod touch and iPad to iOS 4.2.1, 4.1, 4.0.x.

Redsn0w 0.9.7 Beta 6 Brings Skype Fix, Next Version Will Use 4.1 SHSH Blobs Instead Of 4.2b3 For 4.2.1 Untether

Taimur Asad·January 10, 2011
Well the 6th beta of Redsn0w 0.9.7 has been released. This version fixes all Skype related issues which were hampering users ever since the first beta of this untethered iOS 4.2.1 jailbreak.

GreenPois0n Will Be Untethered For iOS 4.2.1 On Release, Will Not Require 4.2b3 SHSH Blobs

Taimur Asad·January 10, 2011
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