This is how you can activate 4K ultra HD video recording on the iPhone 6S

by on September 29, 2015

Stephan Jukic – September 29, 2015

As most 4K technology and mobile device fans are probably aware of by now, the newly released iPhone 6S and 6S Plus phones are both fully capable of recording some awesome 4K video at a very decent 30 frames per second. In fact, the quality of their movie making capacity is so good that the new Apple models have even already been used to produce a documentary in ultra HD resolution.

However, there is a very minor catch with the new phones: you won’t see the 4K movie-making capacity just by opening up the phones’ camera app. Instead, Apple has hidden the 4K video functions of the two new iPhone variants inside some of the phones’ configuration menu controls– presumably because Apple didn’t want users accidentally activating 4K recording when they only wanted to use HD video and thus loading their internal storage in no time flat.

Thus, the default iOS camera on the new iPhone devices is set to grab 1080p HD video by default at 60 frames per second and turning on its 4K UHD chops of 2160p at 30 frames per second means going through an entirely separate series of steps which are outside the camera’s settings. As the image below shows:

4K activation in settings in the iPhone 6S

Image credit: Screenshot by Jason Cipriani/CNET

As the image illustrates pretty clearly, activating 4K video recording requires that you:

Open up the settings app

Open up Photos & Camera by tapping on it

Tap on Record Video under the Camera section

Tap on 4K at 30 fps to turn on 4K recording

As the chart located right below the video resolution settings in your iPhone 6S clearly shows, 4K video really seriously eats up internal memory storage, at a rate of 375 MB per single minute of compressed video grabbed. This means that recording anything more than a few minutes of footage on Apple’s smallest 16GB version of the new iPhones won’t work so well. So if you want to get serious about 4K UHD recording, go for the pricier large storage versions of the new phone.

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