Samsung, Oppo and other manufacturers are making more and more phones with curved displays, and that's a trend that should stop. Curved screens are more fragile, less compatible with enclosures, and do not provide features that are worth the trouble they cause.
Blame Samsung: The trend towards curved screens was initiated with the Galaxy Note Edge. At that time, the phone had only a curved edge, which made it an extremely strange phone. However, they have been improved with each new model, and now the Galaxy S and Note series are known for curved screens.
Other manufacturers, from OnePlus phones to the Huawei P30 to Google's Pixel 2 and, to a lesser extent, Pixel 3, joined in and recently Oppos's newly announced "Waterfall" phone. Oppo goes a step further and winds the screen almost completely backwards. At first glance it is pretty. But if you think, curved screens are a terrible idea.
Curved screens are fragile
Granted, all cell phones without frames are fragile and can be damaged by falling down. But curved screens illustrate this fact. Of course, the expanded screen means you'll need more glass to trap and crack, and less structure to drop. According to iFixit, curved displays are more difficult to build and replace, making repairs more expensive.
SquareTrade performs case tests on phones. Although S9 and S10 are more durable than S8, the phones still break a single drop. And because it's a curved screen, it may be harder to get a grip on the device because the device is thinner at the edges.
You may be in the case of the Oppo screen "Waterfall" I can not hold the phone from the sides without touching the screen. So it's likely that you will encounter problems if the screen slips off your fingers or if you even put it in a sleeve.
Cases and screen protectors do not fit so well
Boxing is unfortunately also a problem with bent telephone displays. In most cases, you will be grabbing the edges of the phone bezel to make the screen visible. A curved screen, however, means less aperture for gripping. As a result, caseworkers have the precarious possibility of either grabbing very little material or covering the screen.
This problem is even more pronounced in thin cases, which often feel like they are barely hanging on the phone. And since they grab the small amount of available bezel, the screen can protrude beyond the edges of the case. If you drop the phone face down, it may not have a protective cover at all.
If you want to have a screen protector on your phone, you'll regret that the display is curved. Making a plastic or glass piece that adheres to a flat surface is easy. However, bonding plastic and tempered glass to a curved surface is much more difficult.
Early screen protectors only stuck to the curves, leaving an ugly air gap in the middle. Other companies tried to use LOCA (Liquid Optically Clear Adhesive) and UV light for a good seal. However, the system is difficult to use and expensive. It took until the beginning of 2018, until Zagg had found an extremely aggressive adhesive that worked well.
However, you still have the difficult task of properly installing the screen protector. Once you've done that, try again to find a compatible chassis that works with both the awkward display and your screen protector.
Overall, protecting your extremely sensitive phone is difficult at best. This might be worthwhile if the phones resort to pioneering features, but not so.
Edge screen features are redundant at best.
Telephone software and hardware are a delicate balance game. You can shorten battery life by using a thinner phone that fits more comfortably in your pocket, for example. For all the disadvantages of curved displays, what you get is not very good.
A curved screen may give you apps on the edge. For Samsung phones, these are edge panels that allow you to see frequently-used apps and tools. But this android and that is a superfluous feature. You can already customize your Home screen to provide just about anything you want, especially your commonly used apps and tools.
Another advertised feature is edge lighting, which alerts you to calls and text messages when the screen is facing down. You already have ringtones for it or vibration when the phone is quiet. Even if you see the advantage of edge lighting, there is a clear problem: cases. If you place a protective cover on the phone, any edge lighting will be blocked, rendering the function unusable.
If you're concerned about this, it's not a good idea to replicate an existing feature at the expense of durability.  It's time to get rid of crooked screens
We should welcome the manufacturers for trying new and exciting things. Without taking risks, we may not have seen big phones like the Samsung Galaxy Note or powerful camera software found on the latest pixels. But sometimes these risks do not pay off.
When a "function" compromises a telephone without putting anything essential on the table, it's time to rethink the decision to take it. Ultimately, manufacturers like Samsung and Oppo have to ask, "Did people buy our phones because of crooked displays or anyway?"
If it is the latter, then a new direction is required. One that takes up the old and returns to a flat-faced phone. It may not be noticeable, but it works and works well. And that's all someone really wants from a smartphone.