One question GadgetGuy gets asked on a fairly regular basis is “do I need a case for my phone”, and while the answer is typically a big fat yes, it’s not necessarily that easy.

Simply put, there is no right answer to this question. You might need one, and you might not, but some phones need them more than others.

As reviewers, we typically go “naked”, skipping the skin and case not just because there isn’t likely to be one out at the time of review, but also because a phone generally feels better without one.

These days, phones are designed to be held, and while a case may at least help when it comes to the unfortunate accident of dropping one on the hard pavement, some phones are better built and can deal with those issues better than others.

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A metal phone can help with durability, but the screen is also at risk.

 

Case materials now include very hard and resistant plastics — like the material used in hockey pucks — as well as alloys and metals, such as aluminium and carbon fibre, and all of this helps.

Advancements have also been made in the past few years in glass, and while Corning’s scratch-resistant Gorilla Glass still isn’t drop-proof, we’re getting closer to a phone that shakes off a fall better than you do.

Mostly, though, a case is about security, because scratches and drops do happen, and so a case can protect a phone from having that become a problem. Sure, they tend to increase thickness and change the way the phone feels, but it can be super useful for dealing with the fear of destruction.

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But some phones need them for other reasons, with an improvement to function part and parcel of what a phone case can do.

For instance, adding a flip cover means you can attach a card that has NFC built in, such as a transport card or another card you regularly have to hold in front of a card reader, meaning you don’t need a wallet as much. Plenty of manufacturers make these, and we’ve tested them from the likes of Otterbox, Belkin, and STM.

Samsung’s “edge” phones are a different example, though, because when you add a case to the mix, it’s not just because this is a phone that you may want to protect. Rather, some of the technical design can lead to the case being a necessity.

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Specifically on the Samsung S6 Edge and S7 Edge, as well as the Edge+ variant of the S6, it’s because the screen curves on each side to simulate the feeling that this is an edgeless screen, removing all bezels when you grip the phone.