Here is a quick guide for those who want to disable native multitasking feature of iOS 4.x.x on their iPhone 4/3GS, iPod Touch 4G/3G and 1st-Gen iPad to extend the battery life of their iDevice. To disable this feature, all you need is a jailbroken iDevice with iFile app installed on it. I have tested this method only on my iPhone 4 and iPhone 3GS but hopefully it should work on all other iOS 4.x.x...

Many of you must have already tried to enable iOS 4.3.1 Multitasking Gestures by using MT Gestures Cydia app but unfortunately it didn't work for me so here is a manual method of enabling Multitouch Gestures on your iPhone 4 and iPod Touch 4G which involves minor editing to some core files of iPhone filesystem. All you need is a jailbroken iPhone 4/3GS or iPod Touch 4G/3G on iOS 4.3.1 with iFile app installed in...

Apple just seeded the iOS 4.2 Beta 3 (build 8C5115c) to the developers along with iTunes 10.1 Beta 2. The previous beta of iOS 4.2 introduced animated multitasking, new iTunes logo, YouTube upload options and Game Center indicator in the App Store app.

Apple announced iOS 4.2 for iPhone, iPod Touch and iPad at Apple's Media Event 2010, which will be available for download this November for free. iOS 4.2 will be covering all features of iOS 4.1 which is scheduled to be released next week. The main features of iOS 4.2 include Wireless Printing, AirPlay(AirTunes), Multitasking and much more.

The famous multitasking app for iPhone and iPad has been released for iOS 4 based devices and is available for download via Cydia. Previously Multifl0w was compatible with iPhone 3G and iPhone 3GS running iPhone OS 3.1.x but now thanks to @aaronash who completely rewrote the code of Multifl0w to make it compatible with all jailbroken iPhones and iPads running iOS 4 and iOS 3.2.

If you have an iPhone 3G on iOS 4 and you are trying to turn on / off iOS 4 features on your phone then zToggle is the right application for that. It allows you to toggle iOS 4 functions like Multitasking and Springboard Wallpapers right away. You don't need to re-jailbreak your device with Redsn0w or PwnageTool.

Yup, the famous true-multitasking app Backgrounder has been updated (ver. svn.r504-1) and is now compatible with iPhone iOS 4. Backgrounder app allows you run multiple apps simultaneously in background like WLM, Skype and many more. The previous version (ver. svn.r492-1) was having some speed and SB crash issues on iOS 4 which are now fixed in the updated version.

Finally! Apple has released final version of iOS 4 previously known as iPhone OS 4.0 for iPhone iPhone 3G/3GS and iPod Touch 2G/3G. iOS 4 will no doubt be one of the major software updates by Apple, as it brings 100+ new features to your iPhone! Unfortunately, iOS 4 is not available for iPhone 2G and iPod Touch 1G, but hackers are already working on to bring iOS 4 to 1st and 2nd generation iPhone/iPod...

Dev-Team has released updated version of Redsn0w 0.9.5 for MAC, named "Redsn0w 0.9.5b5-2", previous version was redsn0w 0.9.5b5-1. This version is also for jailbreaking iPhone 3G and iPod Touch 2G on iOS 4. New version brings a new feature of enabling battery percentage, in addition to multitasking and home screen wallpapers.

Dev-Team has released updated version of Redsn0w for iOS 4.0 GM build, latest version is named as "0.9.5b5-1" and it brings support to jailbreak and enable multitasking and wallpapers on iPhone 3G and iPod Touch 2G, running on iOS 4. Apple disallowed these functionalities on both these devices, reason being the performance issues. Please read the notes carefully before using this version of redsn0w.