iFixIt is reporting that Apple is trying to protect the internal hardware of iPhone 4, MacBook Pro and MacBook Air with a new tamper-resistant screw called 'Pentalobular' which is nearly impossible to open with a normal screwdriver. There is no single reputable supplier that sells the screwdriver which could actually open these Pentalobe screws without damaging the device.

iPhone Dev-Team has just released PwnageTool 4.2 for untethered iOS 4.2.1 jailbreak on iPhone 4/3GS/3G, Verizon iPhone, iPod Touch 4G/3G, iPad and Apple TV 2G. With PwnageTool 4.2, you can create iOS 4.2.1 custom IPSW on Mac OS X for your iPhone, which on restore via iTunes will jailbreak it while preserving its baseband.

iH8sn0w has just released Sn0wbreeze 2.2 to jailbreak iOS 4.2.1 on iPhone 4/3GS/3G, iPod Touch 4G/3G and iPad (Wifi+3G). Just like PwnageTool 4.2 on Mac, you can use Sn0wbreeze 2.2 to create custom IPSW of iOS 4.2.1 on Windows. Restoring this custom IPSW will jailbreak iOS 4.2.1 on your iPhone while preserving its baseband so that you may lock it with Ultrasn0w tool.

This tutorial will guide you on how you can add animated or static boot logos on your iPhone 4, iPhone 3GS and iPod Touch 4G jailbroken on iOS 4.2.1 with GreenPois0n tool. If you haven't jailbroken iOS 4.2.1 on your iPhone or iPod Touch, you can follow our step-by-step guide here for Windows and here for Mac OS X. Once you are done with jailbreaking part, follow the guide below to add custom animated or...

RecBoot 2.1 has been released and this time it's available for all users running Mac OS X 10.5.x or above. RecBoot 2.0 was released back in Dec, 2010 and it was available for users having Mac OS X 10.6.x or above but Sebastien has made this release compatible with Mac OS X 10.5.x and plans to make his next release (RecBoot 2.2) compatible with Mac OS X 10.4.x as well.

Yes, its true! If you want untethered iOS 4.3 jailbreak on your iDevice in future, you should save iOS 4.2.1 SHSH blobs now. MuscleNerd, who happens to be one of the core members of iPhone Dev-Team confirmed that his team is working on iOS 4.3 untethered jailbreak which will rely on iOS 4.2.1 SHSH blobs. So if you haven't already saved iOS 4.2.1 SHSH blobs for your iDevice, save it now using the latest version...

Hackulo.us has just released Installous 4 for iPhone, iPod Touch and iPad. The new version of Installous has undergone extensive bug testing for the past few months and now the developers believe that it is stable enough for public release. Installous 4 comes with an amazing UI, fast navigation between apps and much more stability.

An iPhone hacker named Nadeem Ateyeh (@Nadeem97) has just released PwnageTool bundles for iPhone 4 and iPhone 3GS which can jailbreak iOS 4.2.1 untethered on both of the said devices without upgrading their baseband version. After jailbreaking iPhone 3Gs with PwnageTool, you will be able to unlock it with the latest version of Ultrasn0w available.

Its here folks! Chronic-Dev Team has released its much awaited version of GreenPois0n tool i-e GreenPois0n RC5 which brings untethered iOS 4.2.1 jailbreak on all iOS 4.2.1 iDevices. Unlike betas of Redsn0w 0.9.7, there are no Bluetooth and Skype issues after the jailbreak plus you don't need iOS 4.2b3 SHSH blobs to jailbreak your iOS 4.2.1 iDevice.

Apple has just seeded the 3rd beta of iOS 4.3 to the developers. You can download iOS 4.3 Beta 3 (Build: 8F5166b) for iPhone 4/3GS, iPod Touch 4G/3G or iPad only if you are enrolled in iPhone Developer Standard or Enterprise Program. Along with this, an updated version of iOS SDK and Apple TV 2G pre-release software has been released.