In addition to announcing the iBooks with pdf support, Farmville for iPhone, new iPhone 4 at today’s WWDC keynote event, Steve Jobs coined the upcoming iPhone OS as iOS 4. iOS 4 has been declared Golden Master Candidate and will be publicly released on June 21st as a free download. Existing iPhone and iPod touch owners can upgrade to iOS 4 for free. But, all features many not be available to all models because of hardware restrictions. The first-gen iPod is left out entirely, and the 3G won’t do multitasking.
However, you can forcibly enable multitasking on your iPhone 3G after jailbreaking iOS 4 and editing N82AP.plist. It is important to note that multitasking on iPhone 3G might be sluggish and may not be able to handle the workload, as the amount of RAM these devices packed is 128MB only, just half of the third-generation iPhones.
A whopping list of 1500 new features are riding on iOS 4 Gold Master Candidate including multitasking, a unified inbox, app folders, data detectors, Bing search integration.
Image Credit: Engadget