Apple's iOS 8 may soon be ready for fourth beta-testing later this month, according to a recent leak.

On Wednesday, BGR claimed that they had insider knowledge suggesting the iOS 8 beta 4 software will be available to consumers on July 21. At this time, there is not much information confirming what will be included with the beta 4 release.

The previous iOS 8 beta 3 update that was launched on July 7 brought Wi-Fi calling for iPhones using T-Mobile plans. Other features include Xcode 6, Find My Friends 4.0, Find My iPhone 4.0, and Apple Configurator 1.7

For average users, it is important to remember that the iOS betas are intended for developers testing out the software. There is also danger the betas contains bugs. The majority of users may want to consider using the latest version of iOS 7.1, while waiting for the final version of iOS 8.

Unveiled at WWDC 2014 in June, the iOS 8 is going to be the latest operating system for Apple's current smartphones and tablets. Devices confirmed to be receiving the iOS 8 include the iPhone 4s, iPhone 5, iPhone 5s, iPhone 5c, iPad 2, iPad Mini, iPad Mini with Retina Display (a.k.a. 'iPad Mini 2)', and the fifth-generation iPod.

Absent from the list of devices getting the new update is the iPhone 4 smartphone as well as the original iPad tablet. Both devices were released four years ago, which is old by mobile device standards.

There are currently no announcements from Apple regarding the exact iOS 8 release date. Even so, it is generally agreed that the iOS 8 will roll out sometime this fall.

UPDATE: Apple has just released the iOS 8 Beta 4 on Monday, July 21, 2014.