In the moment when the Elephone S7 came out on the market a few months ago, it was officially the most affordable dual curved handset, with the price set by the Chinese manufacturer at less than $150. The device itself is pretty awesome considering the small price tag. It includes various appealing features, but it main attraction is undoubtedly its display. However, the smartphone market usually keeps on growing at a rapid pace, and the Elephone S7 is not longer the most budget friendly curved display phone. To be more specific, this honor was is taken by the Bluboo Edge, which is actually the first ever curved and bezelless smartphone made by the company. Moreover, not only that it looks nice, the phone is also the cheapest when compared with the rivals that are part of the same range of devices. You might ask yourself how much does it cost? Well, the manufacturer is selling it in exchange for only $129.99, while there have been some rumors claiming that it will have a price tag of just $99.99.

Looking back a couple of years, the very first smartphone to come with a curved display was Samsung's Galaxy S6 Edge, even though its Korean competitor, LG, launched its own model earlier. So, Samsung, which is still the number one smartphone manufacturer in the world in terms of sales, had a huge success with the Galaxy S6 Edge, its flagship phone at the time, and managed to sell millions of units. The Galaxy S6 Edge was not quite a revolutionary handset, but it did change the expectations consumers have when it comes to high-end products. Smartphones that have a curved display not only that they feature a slick design, but the whole user experience they provide is on another level. Many people used to consider that Chinese manufacturers only produce budget phone in order to sell as many as possible with the main feature being their low prices.

Nevertheless, things have changed a lot over the years and the Chinese started coming up with quality products, and now one of the most attractive device on the market is the ZTE Nubia Z9 that includes the Frame Interactive Technology. There is a catch though as the phone is sold for no less than $600 and it's considered overpriced by some customers. Of course, the price is not that high if we compare it with Samsung's offerings, for example, but if you think about it, the Mi Note 2 released by Xiaomi comes with better features and costs $509.99. Plus, Xiaomi is considered a better brand than ZTE, so there you have it. In other words, when you have more than $300 in your pocket, you can afford to purchase a curved phone made by a respectable brand. Returning to the cheaper handsets, they must be prices at a maximum of $150-$200 to be regarded as budget friendly. With this in mind, the Bluboo is the most affordable curved display smartphone in the world.

The moment when we found out that Xiaomi is planning to launch the Mi Note 2 which will feature a dual curved panel, we were pretty sure that it won't be the only phone that will be released on the market to have this kind of design. However, we expected manufacturers such as Meizu, Vivo or Huawei to introduce such a phone. In fact, Bluboo did not cross our minds, not even once did we think that this small company will be able to release a phone like this one, taking the spotlight ahead of more popular China-based brands like the aforementioned ones. Nevertheless, Bluboo has manged to surprise us all and now we don't have any choice but to pay more attention to what it has to offer. We have to analyze the smartphone to convince ourselves that the Bluboo Edge is worth the money, even though it's so cheap. The first aspect that needs attention is the fact that the Bluboo Edge does not resemble other devices with a curved display and it includes some differences when it comes to exterior design. Just put it near any dual curved smartphone, and you will realize that its design is unique. Even if we compare it to the Bluboo Maya Max, it still looks nice.

To be more specific, the first thing we notice about the device is its interesting design that is not quite symmetrical. The buttons and ports are placed in locations that can be rather surprising to anyone. Still, we are not saying that the Edge has a poorly done design, far from it. It's just that it has an appearance we did not see before, which made us curious of going further with the analysis. The frame of the smartphone is made from metal, and even if the company did not reveal which metal was used exactly, we can take an educated guess and say that we are talking about the 6xxx series aluminum that is present on the Umi Plus E. It looks like the manufacturer utilized CNC cutting and polishing, which seems to be a better idea than a flashy way of work as the device seems to be more refined having a thinner profile. Actually, the exact thickness of the phone is 0.8 mm. Furthermore, the Bluboo Edge is easy to use because it's more than comfortable when held in hand thanks to its corners which are a bit rounded. So, at least in terms of ergonomics, this cheap product can be compared with any premium offering that can be found on the market.

Looking at the front side of the terminal, there is aN HD display that has a diagonal 5.5 inches (the screen is manufacturer by Japan-based company Sharp). The panels boasts the same OGS technology used on other smartphones such as the Leagoo T1, Elephone S1 or Doogee Homtom HT6. In case you are not familiar with the term, OGS stands for One Glass Solution which doesn't have any air gap between the panel and the touchscreen. As a result, the display provides higher sensitivity and saturation thanks to an enhanced light transmittance, 90% to be more specific. In addition, the phone that include this sort of technology have a smaller weight due to the fact that the extra layer of glass is not present. The screen sports a Corning Gorilla Glass protection meaning that is safe from scratches, while it has support for up to 5 points multi-touch. Another useful screen feature is the support for wet hands and glove mode. Put differently, the phone can be used even if your hands are wet, as well as in winter time because you won't have to remove your gloves if you are outside and want to make a call or browse the internet.

Moving on to the cameras of the smartphone, there is an 8 MP snapper situated on the front side above the display, which can be used for selfies and video chats.  Under the screen, it sports a physical home key, which doubles as a fingerprint recognition sensor that can be used when turning on the display or authorizing online payments. The fingerprint scanner has support for 360 degrees of identification and you can save up to 5 fingerprints. Moreover, the sensor is very responsive and you will notice that it takes just 0.1 seconds to operate. It's important to note that the handset does not feature a regular touch ID. Due to its new technology you have the possibility to perform a one light touch anf use it as a back key, and a double light touch for opening the menu. In other words, the experience will seem more interesting because you will use one single button as opposed to using the standard three-button setup.

When it comes to the back side of the smartphone, it's just as nice as the front one. It has a stereoscopic look due to the IML electroplating technology which will provide various color visual effects when you look at it from distinct angles. Further, since we are talking about a dual curved handset, it means that the back side is curved too. Another good addition is the plastics of the antenna similar to the one of the iPhone 7, which along with the 3D body gives the phone a quality appearance. The primary camera has a 13 MP sensor which is developed by Sony, and comes along with a single LED flash. Probably the most appealing feature of the back panel is the heart sensor, which means that you won't need to purchase a smartwatch to monitor your heartbeat because the Bluboo Edge is able to do just that. So, in case you are an outdoorsy kind of person and you like to run, this is an extra reason to buy the Bluboo Edge. We talked about the positioning of the ports and buttons. Well, the micro USB port, the speaker and the 3.5 mm headphone jack are placed on the phone's bottom side. The left side is occupied by volume rocker, the unlock button us located on the right-hand side, while on the top you will find the micro SIM card slot. Last but definitely not least, there are two microphones situated on the top as well as the bottom.

When you think about the price of the Bluboo Edge, you might think that there is absolutely no way that it can compete with it's rivals in terms of hardware and performance. However, it's more than a decent product that is equipped with the MT6737 quad-core processor produced by MediaTek. This particular SoC is currently powering other handsets such as the Uhans A101, Homtom HT17/HT20, Blackview E7, Leagoo M5/M5 Plus and others. Sure, the chip seems to be underpinning many budget devices and the main reason is the fact that the MT6737 is one of the cheapest pieces of hardware sold nowadays. The SoC is coupled with 2 GB of RAM and an ARM Mali-T720 graphics processing unit. Moving to the amount of storage space, the smartphone comes with 16 GB of storage which can be further expanded by app with 256 exrta GB via microSD card.

Speaking of the performance, the terminal managed to obtain a score of 28,603 points in the AnTuTu benchmark test. The Bluboo Edge is kept alive by a battery with the capacity of 2,600 mAh. It's based on a 4.35v technology, which means that it's capacity is enhanced by 15% if we compare it with a regular 4.2v battery. Also, the battery of the Edge is thinner which makes the phone lighter as well, although it will probably not last through the entire day if used heavily. Even though the battery's capacity is not poor, when you have a display that measures 5.5 inches, you can be sure that it demands a lot of energy. In terms of connectivity, the smartphone comes with dual SIM capabilities, both of them supporting 4G FDD LTE. Other connectivity related features that are included are Bluetooth 4.0 and WiFi 802.11a/b/g/n. Software-wise, the device runs the company's own user interface called Bluboo UI and it's based on Android 6.0 Marshmallow. Actually, the phone comes pre-installed with the same software that can be found on the Bluboo Maya Max.

In the optics department, we've already told that the main camera of the Bluboo Edge has a 13 MP sensor. In spite of the fact that the pixel resolution can be considered as being part of a mid-range device, the Edge is able to take decent photos due to the optimized technology. The performance of the primary shooter is good and the photos can be of decent quality when taken outside where there is plenty of sunlight, but indoors they are quite sub-par. Maybe this is why the phone has such a low price. Nevertheless, you can't get too mad at this product considering that it's sold for just $129.99. Other downsides are the small amount of RAM and the processor. On the other hand, the pros are the display, the heart sensor and the small price tag, of course. Another plus is that the Bluboo Edge does have a quality build, we'll give it that, so in case you wanna try out a dual curved smartphone and you don't have that much money to spend, you should consider buying this one.

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