Sony Xperia Z2 won't let you record more than ~5 minutes of 4K video
4K video recording is slowly but surely clawing its way into the mobile scene, and although its adoption is quite limited thus far, some manufacturers who are feeling more adventurous than others are starting to build the feature into some of their premium smartphones. Some of the first models offering 4K video recording are Samsung's Galaxy Note 3 and S5, as well as Sony's Xperia Z2, which recently got released on the market to become what's considered one of the finest handsets money can buy right now (probably until the LG G3 shows up, that is).
However, it turns out that these phones, even though they are officially capable of recording 4K video, cannot deliver an experience we'd consider truly adequate. Why? The answer is simple: they cannot record more than 5 minutes of footage in 4K resolution.
Now, that issue probably isn't so huge for most people, because no one is really going to capture full-length movies with their smartphones, but still, 5 minutes is a relatively short limit. There are many cases where we start recording a certain event on video, and we often don't know exactly how long that event is going to continue. Obviously, in those situations, the current 4K video support just isn't going to cut it.
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