iOS 4.2.1

Untethered iOS 4.2.1 jailbreak tool released

Although an iOS 4.2.1 jailbreak has been around for a couple months, it came with a catch: if you ever had to reboot your device, you'd have to connect (i.e. tether) it to your computer in order to start using it again.

That's a semi-major inconvenience; if your battery died while you were on the go, you wouldn't be able to use your iPhone, iPod, or iPad again (even if recharged) until you got back to your PC.

Needless to say, people have been itching to get their hands on an "untethered" … Read more

Untethered iOS 4.2.1 jailbreaking workaround

Though this isn't the official untethered jailbreaking solution for iOS 4.2.1, the iPhone Dev Team has produced a short demo video showing off a workaround method for getting it done now.

Hack-master comex is still working on the permanent untethered jailbreak, but if you've been following the jailbreaking community and happen to have saved SHSH blobs from your iOS device, your device could be jailbroken today.

A more efficient iOS 4.2.1 jailbreak should be just around the corner, so stay tuned. For more information about jailbreaking your iOS device, follow the iPhone Dev Team Blog. … Read more

Network congestion issues? Apple has you covered with iOS 4.2.1

Tests conducted by Nokia Siemens Networks confirmed that Apple has included support for the Network Controlled Fast Dormancy technology developed by Nokia to reduce network congestion and improve battery life in iOS 4.2.1.

The NCFD technology works by keeping smartphones in a perpetual "intermediate state" and "makes the network and the handset work together to create the best conditions for smartphones to work quickly, yet have a long battery life and minimize network congestion."

As smartphones continue to add functionality via Apps, the threat of constant signaling on networks from those Apps could cause … Read more

iOS 4.2.1 Mobile Safari adds goodies for developers

With the release of Apple's iOS 4.2.1 software update, developers gain access to several new goodies including accelerometer and gyroscope support, WebSockets support through HTML5, printing support, new JavaScript data types, and enhanced SVG and Canvas support.

By supporting the DeviceOrientation API, Web developers can now use the accelerometer (and gyroscope) when developing Web applications and games. This opens the door for a much more robust environment on the Web and lets developers experiment freely (and continually) without the need to wait for Apple's App Store approval process.

Web developer and blogger Maximiliano Firtman has provided … Read more

iOS 4.2.1 jailbroken, available now

With Apple's recent release of the latest version of its mobile operating system, iOS 4.2.1, still warm on everyone's plate, the iPhone Dev Team has successfully jailbroken the update.

Thanks to a combination of past hacks (pwnage2, arm7_go, 24kpwn, and limera1n), the iPhone Dev Team was able to crack through the iOS 4.2.1 update, bringing people the capability to use jailbroken apps, games, and utilities on their iOS devices.

For those of you with an iPhone 3G, iPhone 3GS, or second-generation iPod Touch, the jailbreak method will remain just as simple. New iPod Touch … Read more

Apple still seeding: iOS 4.2.1 Gold Master now available

Apple has just released a new version of the highly anticipated iOS 4.2 update for developers, iOS 4.2.1 Gold Master. Though the first Gold Master of iOS 4.2 was released weeks ago, Apple has yet to initiate a public release.

This version of iOS has build number 8C134 and instructions from Apple for developers to retest their iOS 4.2 applications using the 4.2.1 build.

Apple says only minor fixes are included in this build. iOS 4.2 will bring a vast array of features to iPhones, iPod Touches, and iPads including AirPlay, AirPrint, … Read more