A new camera feature referred to as "Mogul" was allegedly discovered in the third beta of iOS 7 by 9to5Mac. Tests suggested that the new software feature will allow video recording of 120 frames-per-second (fps) at an unknown resolution.
The addition of 120fps video would allow a future iPhone to offer crisp detail when playing videos back in slow motion. Such functionality is popular with sports cameras such as the wearable GoPro Hero3.
While the 120fps feature remains a secret, Apple has already revealed to developers that iOS 7 will give them the ability to record 60fps video with their iPhone applications.
There are currently applications on the iOS App Store, such as SloPro, which simulate high framerates in recording. However, in iOS 6, developers are not able to capture raw video at anything greater than 30 frames per second.
The addition of 120fps video in this year's anticipated iPhone upgrade would allow Apple to stay on par with Samsung's latest flagship handset, the Galaxy S4. That handset also offers super-slow-motion video capture capabilities with 120fps recordings.
This year, Apple has run an ad touting the fact that the iPhone is the most used camera in the world. And last year, the company promoted the new panorama capture feature that debuted in iOS 6.
However, hints of 120fps support in iOS 7 are not necessarily proof that the feature will appear in the next iPhone. For example, elements of an unfinished panorama feature were discovered in iOS 5 in 2011, more than a year before Apple would actually add it.