By | December 11 2012 4:38 AM

Apple surprised the tech world by releasing the iPad 4 just seven months after the launch of its third generation iPad in March. Now, if a new research note by one Wall Street analyst is to be believed, the Cupertino-based tech giant is expected to make yet another swift update by releasing its upcoming smartphone model, unofficially dubbed the “iPhone 5S,” as early as June 2013.