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  • OPPO F11 Pro, Vivo V15 Pro, Huawei P30 Pro, Xiaomi Mi9 Explorer Edition


    DeZire

    OPPO F11 Pro with panoramic display showed on the teaser; Vivo V15 Pro reviewed from all sides; cutouts in the screen of Huawei P30 and P30 Pro will be very small; characteristics and cost of Xiaomi Mi9 and Mi9 Explorer Edition disclosed before the official announcement.

    OPPO F11 Pro with panoramic display showed on a teaser

    OPPO F11 Pro will be a novelty in the middle segment. The announcement of the device is scheduled for March, and many aspects remain unsolved. For example, it is known that F11 Pro will receive a rear camera at 48 MP. The screen will lose the framework and will be called "panoramic", while the upper part will house the neckline. This is confirmed by a fresh teaser with a demonstration of the display.

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    Sony IMX586 or Samsung ISOCELL GM1 can be used as a 48-megapixel sensor. According to rumors, the" heart " of the device will be one of the flagship chipsets from MediaTek with support for 6 GB of RAM and 128 GB of internal memory. The cost of OPPO F11 Pro is not reported.

    Vivo V15 Pro reviewed from all sides

    February 20 in India will present two mid-budget smartphone-Vivo V15 and V15 Pro. On the eve of the announcement, the Malaysian media published live photos of the improved news. The pictures clearly show the design of the body and the retractable mechanism of the front camera in operation.

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    It is noticeable that in the place of installation of the triple camera body significantly bulges, which may affect the stability of the smartphone on a flat surface. You can also see that the Vivo V15 Pro is equipped with a 3.5 mm Headphone Jack, and a memory card can be installed in the SIM card tray. The device is charged via micro-USB.

    Vivo V15 Pro will get a 6.39-inch S-AMOLED screen, Qualcomm Snapdragon 675 processor, 6 GB of RAM and 128 GB of internal memory, triple main camera (48, 8 and 5 MP), 32-MP front end, 3700 mAh battery.

    The cutouts in the screen of Huawei P30 and P30 Pro will be very small

    Insiders from China have published photos of the protective glass of the upcoming flagship Huawei P30 and P30 Pro. Both smartphones will receive a small drop-shaped cutout for the front camera, a thin frame and a traditional "chin" — a thickened bottom edge, which most manufacturers cannot get rid of.

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    The Huawei P30 series will be the first to receive a 38-megapixel Sony IMX607 camera with 10x optical zoom. The P30 will have a Kirin 980 processor and 8GB of RAM. The announcement will take place in March.

    Characteristics and cost of Xiaomi Mi9 revealed before the official announcement

    Xiaomi does not want or can not keep secret the main development of the last months — this is the impression against the background of regular leaks about Xiaomi Mi9 this week. On the website, Slashleaks appeared two teasers, which literally in detail reveal all the unknown details about Mi9 and top Mi9 Explorer Edition. The last will have four the rear camera is clearly visible on the image.

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    As we already know, Xiaomi Mi9 will be equipped with Qualcomm Snapdragon 855 processor, 12 GB RAM, Bluetooth with aptX/aptX-HD codecs to maintain high-quality sound when transmitting over the air. Declared NFC module and wireless charging.

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    The base model of Xiaomi Mi9 will cost $516, Mi9 Explorer Edition - $885.



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      MIMO (Multiple Input Multiple Output, multichannel input – multichannel output) – a method of coordinated use of multiple radio antennas in wireless network communications, common in modern home broadband routers and cellular networks LTE and WiMAX.
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      MIMO in Wi-Fi
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      SU-MIMO and MU-MIMO
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      MIMO and cellular
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      Since it works, the attention is paid little. However, you can improve the performance of a router that sends data to multiple devices at the same time. At the same time, it will work faster and provide more interesting network configurations. That's why there were developments like MU-MIMO, which were eventually incorporated into modern wireless standards. These developments allow the advanced router to communicate with several devices at once.
      Brief history: SU-MIMO vs MU-MIMO
      Single-and multi-user MIMO is different ways of communicating routers with multiple devices. The first one is older. The SU standard allowed the sending and receiving of data on several streams at once, depending on the number of antennas available, each of which could work with different devices. SU was included in the 2007 802.11 n update and began to be gradually introduced into new product lines.
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      MU-MIMO is a standard that has evolved from SU-MIMO and SDMA (multiple access with spatial channel separation). The technology allows the base station to communicate with multiple devices using a separate thread for each of them as if they all have their own router.
      In the end, the MU support was added to upgrade to 802.11 ac in 2013 After several years of development, manufacturers began to include this feature in their products.

      Advantages of MU-MIMO
      It's fascinating technology because it has a significant impact on the everyday use of Wi-Fi without direct changes in throughput or other key parameters of the wireless connection. Networks are becoming much more efficient.
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      MU-MIMO restrictions
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      Massive MIMO
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      Concept
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      MIMO technology: advantages and disadvantages
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      Presented recently Xiaomi Mi9 once again proves that a modern smartphone with the most powerful hardware and advanced technologies does not necessarily have to cost exorbitant money. We were able to get acquainted with the novelty on the day of the international premiere in Barcelona. What does it look like, how does it feel and how does it remove the flagship device at a price almost half that of its competitors?

      Design and ergonomics
      The smartphone comes in a compact package with the most modest set of accessories: power supply with support for fast charging, a USB Type-C cable, an adapter with USB Type-C to the headphone Jack and a silicone transparent case. The device in your hand feels quite weighty, but at the same time thin and when using any discomfort due to weight or size does not occur. All faces in the right places are rounded, to hold a 6.4-inch device in hand comfortably.
      We got a sample in a dark gray case. But the color shade varies slightly depending on the angle and lighting — from almost black to silver. It is also available in versions of blue and lilac colors - their body has a beautiful holographic effect. The back cover is made of glass and quickly collects prints, which, thanks to a good oleophobic coating is also fast and erased.

      Almost the entire front panel was occupied by a large display with a small drop-shaped cutout for the front camera. The solution is already familiar and looks much nicer than the standard "bangs". In comparison with last year's Mi8, the frame became noticeably thinner, especially the lower, which was reduced by almost half.
      Physical buttons are located on the right side: volume control and power on. On the left side, there is an additional button, which by default is responsible for launching Google Assistant, but it can be reassigned to the settings and other functions. On top is the infrared port to control household appliances. On the bottom side, there is a USB Type-C connector and a pair of speakers. They are very loud and even on the" maximum " sound without distortion, but do not create the same stereo effect as in Mi8, where the second speaker is spoken. Protection standard IP67 or IP68 in the smartphone is traditionally not, so it should be kept away from water.

      On the reverse side, there is a triple main camera, where the upper sensor is highlighted with rainbow edging-no payload, but it looks very unusual and at first, it can be taken as a flash ring. There is no fingerprint scanner in the usual place at the back — it is built directly into the display. Note that among all tested smartphones with a sub-screen scanner in this unlock the fastest: the device instantly responds to touch and immediately opens the main screen. There is also an unlock using facial recognition, which also works instantly, but to activate you must first press the power button.
      Display
      Xiaomi Mi9 received the flagship Super AMOLED matrix with a diagonal of 6.4 inches and an aspect ratio of 19: 9. According to the manufacturer, the screen occupies 90.3% of the front side. In the resolution Full HD+ (2340х1080) picture is smooth and the "ladder" to consider the impossible. The claimed maximum brightness is 600 nits — more than most smartphones with OLED panels. The picture is well visible even in the daytime the street. The distortion of colors appears only at very large angles, it will not affect the experience of everyday use.

      In the display settings, you can fine-tune the color and color temperature, achieving the ideal picture for yourself. So it is extremely difficult to make a claim to the image quality. The only quibble to the screen: the panel itself in the off state has a little grayish color and it is clearly visible against the background of black frames.
      Camera
      Xiaomi Mi9 became the first smartphone of the company with a triple camera. It consists of the main module Sony IMX586 48 MP for conventional photos, Samsung S5K3M5 12 MP telephoto lens for dual optical zoom, and Sony IMX481 16 MP for wide-angle images with a viewing angle of 117°.

      By default, photos are taken in 12-megapixel resolution, the 48-megapixel mode is enabled with a separate button and is recommended for use only in a good light. There's no optical stabilization on any of the sensors. The manufacturer has provided a function to prevent the blocked horizon in the pictures-the smartphone itself rotates the picture during shooting at the desired angle, based on the data of the gyroscope. During video recording, electronic stabilization can be enabled, but only at resolutions up to 4K @ 30 fps.

      In a short time of the first acquaintance, we did not have time to check the operation of the front camera on 20 MP in different modes. But judging by the first few frames, in good light pictures are very detailed. For girls, there are a huge number of opportunities to improve selfies with the help of artificial intelligence.
      The camera app starts instantly and offers many modes and features. Directly from Mi Mix 3 here migrated night mode and recording ultra-slow video with a frequency of 960 frames and 1080p resolution. There is an option to track moving objects in the frame when shooting video and stabilize the image by a small crop. When using a wide-angle lens, distortion correction can be activated to minimize distortion. In portrait mode, you can adjust the degree of background blur.
      Filling and performance
      The smartphone is based on the top mobile processor Snapdragon 855. This is the first device on this chip that came into our hands. To evaluate the performance of new items fully under load failed, but the interface is simply "flying". None of the menus or applications we have not noticed a hint of slowing down. Of course, we had a device out of the box with a minimum of installed software. But the experience of using previous flagships shows that even with the operation of the smartphone is unlikely to begin to blunt. Works Mi9 running proprietary firmware MIUI 10.2 based on Android 9.0 Pie.
      Immediately after the presentation of the smartphone, we had doubts about the battery capacity of only 3300 mAh with such a large screen. Details autonomy we only have to check during a long test, but in the first few hours of acquaintance, the percentage of the charge went very slowly. And this is despite the hard load: the maximum brightness of the screen, photo, data transfer, etc.
      Xiaomi Mi9 was the first in the world to support 20W wireless charging. However, the corresponding docking station will have to be purchased separately. By wire, the maximum charging power is 27W. Check the time to fully charge the device we left for a full review.

      After several hours of use, Xiaomi Mi9 leaves only positive feelings, but it is too early to make final conclusions. In the course of detailed testing, you want to get to know what kind of beast this Snapdragon 855, test a 48-megapixel camera in a variety of conditions, and check how much battery will be enough. Let's check and tell in the full review of the new flagship.
    • By Priyanka
      Starting from the very first model, Samsung equipped its flagship Galaxy S with top developments and revolutionary technologies. What will be S10 and whether it will set a new fashion, we learn very soon? In the meantime, remember the innovations that brought to the market the previous smartphones of this series.
      Samsung Galaxy S (2010): all your own, native

      The first model outlined two main trends of the famous line. First, Samsung's proprietary chip. Before getting the proud name Exynos 3110, it had the marking S5PC110 and the code name Hummingbird. Of course, the support was a match — video accelerator PowerVR SGX 540 and DAC Wolfson WM8994.
      Secondly, the branded display is Super AMOLED. Galaxy S inherited it from the Wave model, and then the screen became one of the "killer features" of all the flagships of the manufacturer. While no-frills like the rounded sides and the ability to bend, but with a solid at the time the resolution of the four-inch display-as much as 800x480 pixels.
      Samsung Galaxy S II (2011): high-quality audio and video

      The second model of the line did without visible innovations, but only at first glance. Performance increase and memory usage, the expected firmware update, increase the display size, and reducing the thickness of the hull - all this complements two important functions.
      The device was reading music of FLAC format, which none of the competitors had at the OS level. Except for the tablet 3.1 Honeycomb, the idea picked up only six months later with the release of Android 4.0 Ice Cream Sandwich. Another useful solution was the support of MHL - 1080p video transmission to a TV without compression, via a micro-USB HDMI adapter.
      Samsung Galaxy s III (2012): redesign and contactless

      Perhaps the main feature of the third " galaxy "is the departure (according to some, unsuccessful) from the design in the spirit of"circled iPhone". At the same time, Galaxy s III was among the first Android smartphones with voice assistant S Voice. The front end taught to follow with his eyes to the display from turning off while looking at him.
      The gadget is equipped with NFC, but it is much more interesting that it could be charged contactless. Required Qi-stand and a special plate connected to the battery via a proprietary connector.
      Samsung Galaxy S4( 2013): nod if you want to flip

      In the fourth model, Samsung engineers have relied on non - contact interface control-gestures over the screen (for example, to switch music) or a nod (for scrolling in the browser). For the ability to "feel" the finger at a distance was the responsible modified sensor that responded to the approach of the pen in Note3. Also, automation was taught to stop and continue video playback depending on the direction of the user's view. We can not say that these functions have become popular. Perhaps now, with more advanced sensors and algorithms, the technology is waiting for a second birth?
      Samsung Galaxy S5 (2014): a collection of contradictions

      In 2014, the Samsung Galaxy S5 introduced a fingerprint sensor. But the finger should not be applied, and hold them from top to bottom. Swipe to unlock, in other words. Also from the fifth model s-series, smartphones began to be equipped with a heart rate sensor. This has become a tradition: every next s-smartphone is able to measure the pulse. Finally, obeying the trends, the S5 was protected from moisture and dust IP67.
      Samsung Galaxy S6 (2015): curved display, wireless technology

      It is in the" six " appeared one of the most recognizable features of the series — curved at the edges of the display. So far only in the older version — S6 Edge. The vendor has worked out the technology on a niche Note Edge and made it not only design but also a functional solution due to the appropriate software.
      The sixth-generation Galaxy s has received support for Samsung Pay wireless charging and contactless payment. The uniqueness of the latter is in the MST, technology of imitation of the magnetic strip of the credit card, due to which you can pay with a smartphone even through old terminals.
      Samsung Galaxy S7 (2016): working on bugs

      The Galaxy S7 is, in fact, a substantially modified version of the S6. Keeping the design of normal and Edge-versions unchanged, the manufacturer increased the autonomy of the device with a fixed battery, returned the support of memory cards and protection from moisture and dust — already standard IP68.
      In the "seven" appeared like a simple but very convenient function Always-on Display. The current information is displayed in monochrome on the off display. At the same time, due to the features of the AMOLED matrix, energy is practically not spent. And in the firmware, there was a game mode that allows you to stream games with voice and video recording.
      Samsung Galaxy S8 (2017): lots of display and desktop mode

      The peculiarity of the eighth model was the expressive appearance:" unlimited " screen with thin frames on top and bottom, and on the sides — without frames. The Home button was replaced by the vibration sensor under the display, the fingerprint sensor moved to the back of the camera.
      The Galaxy S8 was one of the first to support desktop mode — using the DeX dock. She linked the mobile phone with a monitor, keyboard, and mouse to be able to work almost like a full PC. To do this, we had to change the standard Android, adding honest multi-window mode, multitasking, and familiar interface.
      Samsung Galaxy S9 (2018): waiting for the "decades"

      The advantage of the S9 is in the chamber. The model uses variable aperture technology, pre-honed in a niche "clamshell" W2018. So the gadget shoots with an aperture of f/1.5 or f / 2.4.
      Traditionally Galaxy S9 and S9+ received the most up-to-date hardware and improved the software. In particular, the advanced system of biometric identification, in which a more accurate operation are scanned simultaneously, the face and iris of the eye.
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    • OPPO Reno 3 review: Quad camera and lots of memory

      Last year's OPPO Reno 2 smartphone was remembered for its almost flagship characteristics. In the new generation, the emphasis has shifted - the role of the top-end device has been assigned to the Reno 3 Pro, and the standard “three” has become a mid-budget phone. However, Reno 3 received a powerful quad camera, high-quality screen, and a large amount of memory. We find out how good the new product is.

      Four rear modules and a 44-megapixel front-facing camera
      The main camera of Reno 3 received four modules, as in the top-end device of the series - Reno 3 Pro. However, there are some functions missing, such as interpolation up to 108 MP. All the blocks are arranged in a line on an islet that protrudes noticeably upwards if you wear the gadget without a cover.
      The main module has a 1/2-inch sensor with a resolution of 48 MP and a lens with an aperture of f/1.8. As usual, in standard mode, it produces 12-megapixel images, and if desired, you can take photos in full resolution - 48 MP. Telephoto is based on a 13-megapixel sensor and a lens with an f/2.4 aperture. The ultra-wide Angle is equipped with an 8-megapixel sensor and a lens with an f/2.2 aperture. Finally, the 2 MP sensor is designed to assess the depth of the scene.

      Telephoto, in addition to 2x optical zoom, provides a 5x hybrid zoom. The photo app allows you to quickly switch between four shooting modes: ultra-wide angle, 1x, 2x, and 5x.
      All modules can function together with HDR. This option works perfectly in Auto mode, improving both the light and dark tones of contrasting scenes. Artificial intelligence confidently recognizes the scenes being shot and selects settings.
      However, in non-standard lighting conditions, if you choose wide-angle optics, the color rendering will not always be accurate. This does not happen with the main module and the telephoto lens.

      The main module paired with the auxiliary module gives clear portraits and realistic blurs the background
      Reno 3 shoots well in mixed and artificial lighting, as well as in the absence of light in the dark. In the most problematic cases, the Night program helps out. It combines several shots and works out all the tones of contrasting scenes. For shooting with manual settings, an Expert preset is provided.
      Multi-megapixel selfies
      The front camera is built into the display and is located in the middle of its upper edge, in the "drop". The camera is equipped with a 44-megapixel sensor and a wide-angle f/2.4 aperture lens. The default settings are set to a 40-megapixel resolution of images. And the full one is selected by pressing a separate on-screen button. The image quality in both cases is approximately the same. Sharpness appears only from a distance of about 30 cm, that is, for example, it is impossible to obtain a macro photograph of your eye. It seems that the calculation was made for shooting with outstretched hands or a selfie stick. For self-portraits, there are traditionally many beauty options: smoothing the skin, correcting the shape of the face and nose, eye size, and so on.

      Selfies in 44MP mode
      The smartphone records 4K videos at 30 fps. The supported format is Full HD with 30 and 60 fps, as well as slow-motion clips in HD and Full HD. During movie shooting, you can freely switch the zoom.
      In 4K mode at 30 frames per second, the gadget produces a picture with the correct color reproduction and high definition. But when working with hands, stabilization is noticeably lacking.
      Shooting in Full HD at 60 fps uses Ultra Steady Video 2.0 stabilization, which makes the picture smoother.
      Work and entertainment without lags
      Reno 3 is built on an eight-core MediaTek Helio P90 chipset. The new product in AnTuTu gives out figures comparable to the results of Kirin 970 and Snapdragon 712, and slightly ahead of Snapdragon 710. And in the Geekbench 5 rating - is on par with Snapdragon 845. This speed is sufficient to avoid slowdowns in any applications.
      8 GB of RAM allows you to run multiple programs simultaneously. The built-in fingerprint sensor acts quickly and accurately. There are no performance problems in games. In the popular WoT: Blitz with default graphics settings, the frame rate is confidently kept at 60 fps.

      The device has only one main speaker, which produces clear sound without distortion up to about 90% of the volume. Plus, there is support for Dolby Atmos. In this software add-on, you can add surround sound and a bit of bass - a great option for multimedia applications.
      Unfortunately, you will not be able to create a full stereo pair, because the speaker is quieter than the main one. But in Reno3 Pro two speakers shake as if you are holding a good Bluetooth speaker in your hands. Complete in-ear headphones deliver high-quality sound. Thanks to the audio jack, you can connect your favorite accessory.

      The built-in storage is not too large: 128 GB. But it is easy to increase it by using a microSD memory card. It is placed in a triple slot next to two nano-SIM cards. We had a 512 GB test card at hand - it worked without problems.
      High autonomy
      The gadget is powered by a 4025 mAh battery and supports VOOC 3.0 fast charging technology. A 20 W adapter and a complete cable during the test provided recharging at high speed. For example, from 33 to 78%, the battery was charged in 13 minutes, and up to 100% in 27.
      An hour-long shootout in WoT: Blitz (display brightness - 50%) consumes 11 percent of the battery. That is, without going to the outlet, it is about 9 hours of offline gaming. In Flight-mode, with the same brightness, about 4.4% of the battery charge is spent per hour playing the video in Full HD. Therefore, you should expect 22 hours of offline video viewing. Excellent results!

      If long-term autonomy is not so important, you can disable power consumption optimization in the settings and select "High performance". In this case, the device will work a little faster, and the battery consumption will be stronger.
      Great screen
      Reno 3 is equipped with an AMOLED panel with a diagonal of 6.4 inches, a resolution of FHD+ (2400x1080 pixels), and an aspect ratio of 20:9. The display occupies 90.8% of the front panel area, has a teardrop-shaped cutout for the front and thin frames. The image is clear, with rich but natural colors. The viewing angles are large, and the brightness reserve is sufficient for using the phone on the street in any weather. With minimal screen light, it is comfortable to read in a dark room. And at night, you can switch to "Dark mode" - in fact, this is an inverse version of the design: with a black display and a white font. Many people will find it even more convenient, and it also saves battery life.
      Branded shell of the seventh version
      Reno 3 is running a proprietary ColorOS 7 shell based on Android 10. When comparing with the previous version, you can see that the font has not changed, but many icons have been redrawn. However, their shape and size can be easily changed at your own discretion. The screen can be converted to a split format - just make a three-finger swipe up.
      Specifications of OPPO Reno 3
      DISPLAY: 6.4 ", FHD + (2400x1080), 20: 9
      CHIPSET: CPU MediaTek Helio P90 (MT6779V), 2.2 GHz, GPU PowerVR GM 9446
      RAM: 8 GB
      STORAGE: 128 GB
      MAIN CAMERA: main - 48 megapixels (f/1.8) + 13 megapixels (telephoto) + 8 megapixels (wide-angle) + 2 megapixels (scene depth sensor);
      FRONT CAMERA: - 44 megapixels with f/2.4 aperture
      BATTERY: 4025 mAh
      FEATURES: a sub-screen fingerprint sensor, an NFC module, an audio output, support for microSD cards up to 256 GB (without SIM replacement), a proprietary shell ColorOS 7, three body colors: black, white and blue.
      Test results
      ANTUTU: 223,438
      GEEKBENCH: 5 428 single-core, 1568 multi-core
      AUTONOMY: about 22 hours of video playback

      Summary
      The OPPO Reno 3 is an interesting device with balanced characteristics. From the first minutes, the beautiful design, slim body, and high-quality 6.4-inch screen make you happy. Later on - high performance, fast recharging, and good battery life. The advantages include the photo-filling, including a 44-megapixel front camera. In addition, the built-in drive can be expanded with a memory card, but not to the detriment of the second SIM card - a trifle, but nice.

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