Accelerometer(or G-sensor) - sensor of the device’s position in space. As the main function, the accelerometer is used to automatic change orientation of the image on the display (vertical or horizontal). Also, G-sensor is used as a pedometer, it can be controlled various functions device by turning or shaking.
Gyroscope- a sensor that measures rotation angles relative to a fixed coordinate system. Capable of measuring rotation angles in several planes simultaneously. A gyroscope together with an accelerometer allows you to accurately determine the position of the device in space. Devices that use only accelerometers have lower measurement accuracy, especially when fast movement. Also, the capabilities of the gyroscope can be used in modern games for mobile devices.
Light sensor- a sensor that sets the optimal brightness and contrast values for this level illumination The presence of a sensor allows you to increase the battery life of the device.
Proximity sensor- a sensor that detects when the device is close to your face during a call, turns off the backlight and locks the screen, preventing random clicks. The presence of a sensor allows you to increase the battery life of the device.
Geomagnetic sensor- a sensor for determining the direction of the world in which the device is directed. Tracks the orientation of the device in space relative to the magnetic poles of the Earth. The information received from the sensor is used in mapping programs for terrain orientation.
Atmospheric pressure sensor- sensor for precise measurement atmospheric pressure. It is part of the GPS system, allows you to determine altitude above sea level and speed up location determination.
Touch ID- fingerprint identification sensor.
Accelerometer / Geomagnetic / Proximity
Satellite navigation:
GPS(Global Positioning System) is a satellite navigation system that provides measurements of distance, time, speed and determines the location of objects anywhere on Earth. The system is developed, implemented and operated by the US Department of Defense. The basic principle of using the system is to determine location by measuring distances to an object from points with known coordinates - satellites. The distance is calculated by the delay time of signal propagation from sending it by the satellite to receiving it by the antenna of the GPS receiver.
GLONASS(Global Navigation Satellite System) - Soviet and Russian satellite navigation system, developed by order of the USSR Ministry of Defense. The measurement principle is similar to the American system GPS navigation. GLONASS is designed for operational navigation and timing support for land, sea, air and space-based users. The main difference from the GPS system is that GLONASS satellites in their orbital motion do not have resonance (synchrony) with the rotation of the Earth, which provides them with greater stability.
A couple of years ago, after a slight one-year stagnation, LG updated the L-series of its gadgets, presenting it at an international exhibition interesting model second generation - LG Optimus L7 II Dual P715. The characteristics of the smartphone have undergone some changes compared to the previous L7 line. And although this model is far from the capabilities of the brand’s flagship, the device has something to please its owner.
The hero of today's review is the II Dual P715 smartphone: characteristics, reviews, advantages and disadvantages of the model, as well as expert opinions regarding the successor to the previously popular L7.
Briefly about the model
First of all, the company has radically changed the design of the gadget: instead of a rectangular candy bar, the device has acquired a more streamlined shape. It is impossible to say that this is good or bad, because this moment remains for the judgment of each individual owner. Nevertheless, the design of the model can be called at least nice.
In addition to the appearance of the LG Optimus L7 II Dual P715, the characteristics of the chipset have also been changed: instead of the very mediocre Qualcomm MSM7227, the new gadget has acquired a rather fast MSM8625. And although this chipset runs on two processors, you can play heavy games (at medium settings) without any problems. RAM has also been increased, and now there are 768 MB on board instead of 512.
In addition, both cameras and the operating system have been updated, but the most interesting innovation in the LG Optimus L7 II Dual P715 (Black) is the battery performance, which has increased to 2460 mAh. This is a very good bonus for a potential buyer.
Contents of delivery
The model is available in three colors: white and LG Optimus L7 II Dual P715 Black/Blue. Reviews about the blue and black colors are quite mixed: some people like strict tones, while others prefer something “more fun”, so it is impossible to clearly evaluate this point. The design of the device in white can be called universal.
In the box you will see:
- the device itself;
- battery;
- mains charger;
- USB cable for recharging and synchronization with a computer;
- Quite a detailed manual in Russian.
Unfortunately, there are no additional accessories. The headset, case and other accessories will have to be purchased separately. But maybe it's for the best, because any additional item in the box would significantly increase the price of the LG Optimus L7 II Dual P715.
Photos and reviews about the design of the model
A rather interesting and bold decision is to use a distinctive design for almost the same model. A phone with one SIM card has sharp corners and all its appearance reminiscent of the previous generation of LG gadgets. The device for two SIM cards has sloping edges and is very similar to the old Optimus Black, Sol and One.
Judging by the reviews, many owners consider semi-gloss to be a rather strange innovation. back panel. The first generation of “Optimus” P705 was equipped with a relief cover that was pleasant in many respects, as well as a metal insert (camera frame). Why the company abandoned these features in new models is not entirely clear - everything here is somehow simple and primitive.
The screen of the LG Optimus L7 II Dual P715 (photo in the article) is relatively easily soiled, so it will collect fingerprints everywhere and always. It’s disappointing that the company did not equip the P715 with Gorilla protective glass, but nevertheless, the existing durable plastic is able to protect the gadget from minor scratches.
Assembly
As for the build quality of the model, the LG Optimus L7 II Dual P715 has “five plus” body characteristics. The device is really well built: no backlash, creaks, crunches or other flaws. Numerous positive reviews on specialized forums about the build quality confirm this fact.
The gadget fits well in the palm of your hand, and thanks to its optimal dimensions (122 x 66 x 9.7 mm) and relatively low weight (115 g), you can operate your smartphone with one hand without any problems.
Interfaces
The LG Optimus L7 II Dual P715 smartphone is a classic representative of the series, where the layout of the interfaces has not changed at all. On the front of the device we will see: a front camera, a distance sensor, as well as a speech speaker under a nice metal mesh. By the way, the performance of the speaker is at a quite decent level: a good volume reserve, a pleasant timbre, and the person at the other end can be heard clearly, intelligibly and without any blurring. You can compare the characteristics of the model with the quality of the Galaxy S-Duos from Samsung and the same Opitmus L7 of the first generation.
As for the sensors and their operation, there are no complaints about the model - everything blinks, lights up and winks as it should on the LG Optimus L7 II Dual P715. Reviews from owners sometimes note some inhibition of the display in the winter season, but almost everyone suffers from this budget models, so this nuance cannot be called critical.
If in a device with one SIM card you can see a mechanical “Home” key, then in the P715 it is replaced with a touch one. Below the screen there are four functional touch buttons: working with SIM cards, “Menu”, “Home” and “Back”. The keys are painted silver on the display and are completely devoid of backlighting, which is very disappointing. Reviews from owners are literally full of phrases of indignation about this: during the day no problems arise, but in the evening and at night you have to poke your fingers at random. This is a serious omission for a seemingly successful model.
At the bottom there is a microphone and a micro-USB output, and at the top there is another microphone with noise reduction and standard interface for headsets and 3.5 mm headphones. The company's engineers included in the design a mechanical button on the left side of the gadget to launch applications indicated in the menu, such as a voice recorder, camera, game or playlist. A little lower there is a volume rocker and there is also a button to turn the device on/off.
On top of the back of the gadget there is a camera and a flash eye slightly recessed into the body. At the bottom there is a speaker. In order to open the cover, you need to pry the back panel at the location of the micro-USB output. There we will see a place for a memory card and slots for regular mini-SIM cards (the “on top of each other” principle).
Display
The 4.3-inch LG Optimus L7 II Dual P715 smartphone has a very mediocre and outdated screen resolution of 800 by 480 pixels. Experts believe that this “infringement” was specifically introduced into the series so as not to create competition for the much more promising LG Optimus L9 model.
The display is built on a fairly high-quality IPS matrix, and the screen produces a pretty good picture for the budget LG Optimus L7 II Dual P715. The viewing angles, of course, are not good enough, and at large angles the image fades, is inverted, and color rendition deteriorates significantly. Nevertheless, you can look through photos or watch videos in the company of one like-minded person without any problems.
In principle, it is possible to work with the gadget on a sunny day: although the picture fades, the information as a whole is more or less readable. The behavior of the matrix in the shadows is very good: the screen does not dazzle, and pixelation is not noticeable (if you don’t look closely).
The display seems to be good, but in this segment and for the same price (and the smartphone costs about 6,000 rubles) you can find a better competitor with acceptable sharpness, resolution and color rendition.
Sensor
The touch unit of the model is capacitive and is capable of supporting up to ten simultaneous touches. Screen sensitivity is generally good. Both owners and experts in this field do not have any critical complaints about the characteristics of the sensor.
The smartphone is equipped with “smart screen” technology, which is not clear who got it from whom - either Samsung from LG, or vice versa. The principle of operation of this technology is quite simple: while you are looking at the device, it is turned on and does not “go into” sleep mode, but as soon as you turn away, after a certain period of time it will go out. The “smart screen” works in tandem with the front camera, that is, it determines the position of your eyes and makes appropriate “conclusions”.
Performance
The gadget runs on the Qualcomm S4 “Play” MSM8625 chipset on two cores with a frequency of 1 GHz. The graphics part is handled by a fairly good Adreno graphics accelerator from the 203 series.
This tandem allows you to comfortably work with the interface and medium-heavy applications. As for HD video, powerful software and demanding games, the device has difficulty “digesting” them: freezes, stutters and drops in FPS.
As mentioned above, the previous generation was equipped with 512 MB of RAM. The new gadget has a little more on board - 768 MB. If you actively use the operating system, the user is left with about 250-300 MB of free RAM. Not a lot, but the interface is quite enough to perform most ordinary tasks and ensure stable operation.
The device has its own 4 GB of flash memory, where only 1.8 GB is available to the user, the rest is reserved for system files. In this case, a third-party memory card (maximum capacity - 32 GB) helps out.
Camera
The device is equipped with two standard camera modules: a front 0.3 MP and a main 8 MP. There is also a small single-section flash for the main module. The maximum image size is 3264 by 2448 pixels, video resolution is 720 x 480.
The indicators are more than weak. Almost any “Chinese” in this segment can work with HD resolution, and at a lower cost.
The output photo quality is average, although autofocus performance and white balance can be identified as clear advantages over competitors. The main drawback of the camera is the wrong choice of exposure: photographs are sometimes taken with dark areas or overexposure. It's also worth noting that manual focus adjusts exposure too aggressively.
Autonomous operation
The device is equipped with a 2460 mAh lithium-ion battery (output characteristics - 3.8 V / 9.3 W). Even if you look at the increased capacity compared to the previous generation, the gadget does not last long battery life.
The manufacturer promises the owner up to 800 hours of standby time (why are they needed?) and up to 12 hours of GSM calls.
In principle, in practice this is how it works:
- Conversations - 9 hours.
- Music and radio - 35 hours.
- Video ( maximum settings, headphones) - 4 hours.
- Games (ordinary and not “heavy”) - 5 hours.
- Internet (Wi-Fi, 40% screen brightness) - 10 hours.
- Internet (3G module, 40% faucet brightness) - 8 hours.
From which comes bundled with a smartphone, accumulator battery charges in a little less than four hours, and from a USB cable ( Personal Computer, laptop) a little more than five hours.
Summarizing
As for the main component of the phone - the connection quality, it is good here, and no worse than competing models in this segment, and the vibration alert is felt even in the pocket of winter clothes.
In general, a smartphone leaves some conflicting feelings. And the point here is not that it is somehow wrong or that it works extremely poorly. Just looking at the previous generation of Optimus, we see, or rather, practically do not see any changes. The camera has the same photo and video quality, low screen resolution, shell and software, and even the diagonal has not increased.
The only thing that is at least somehow noticeable in the new model is the smooth operation of the interface and support for some “heavy” applications due to the updated hardware. The battery life also seems to have increased, but not so much that “ah!”
We can recommend the smartphone to ardent fans of the brand and to all those who often and closely work with two SIM cards. Otherwise, it’s better to take a closer look at some Xiaomi, Huawei or the same Samsung, since the segment is simply bursting with a variety of models and characteristics.
operating system:Operating system. Symbian OS - This is probably the most common operating system for smartphones.The most common Symbian-based platforms now are: Series 60 (the most popular platform, used on models from Nokia, Panasonic, Samsung, Lenovo, LG and Sony Ericsson etc.), Series 80 (used in some Nokia models), Series 90 (currently used only on Nokia 7710), UIQ (models from Nokia, Benq, Motorola, Arima, Sony Erisson, and MOAP (closed platform, installed on Fujitsu, Sony Ericsson, Mitsubishi and Sharp phones).
Android This is the operating system Google, which is also sometimes called Droid.
Right after the introduction of smartphones and tablets in the market, Android gained immense popularity due to its beautiful appearance and efficient performance.
The main advantage of Android compared to other operating systems is its almost completely open architecture and deep integration with Google services. There are already quite a large number software for this OS, so that almost any user does not feel left out, while the software market is developing quite dynamically.
Apple (iOS) This is the operating system Apple, used in iPhone, iPod touch and iPad.
iOS was revealed on June 29, 2007, when the first iPhone appeared.
BlackBerry is an operating system Research in Motion (RIM).
Windows Phone and Windows Mobile is Microsoft's latest mobile operating system.
The main advantages of Windows Mobile are the interface familiar to desktop PCs, good implementation of multitasking, support for devices with high resolution screen, a wide variety of smartphone models, an abundance of software for every taste and for any task. Today's filling of the Windows Mobile communicators market allows the user to find decent models in almost any price range.
Bada (bada means ocean in Korean) is a new smartphone platform that allows developers to create multifunctional applications, increasing the user's capabilities when working with mobile devices.
Bada operating system for Samsung phones includes a new UI framework for a new generation of user interface touch phones Samsung Touch. The UI framework makes using the phone simple and relaxed, without compromising its functionality. It is a revolutionary innovation that significantly enhances the conventional user interface of touch phones.
General characteristics
Type
Deciding on the type of device (phone or smartphone?) is quite simple. If you need a simple and inexpensive device for calls and SMS, it is recommended to select the phone. A smartphone is more expensive, but it offers a wide variety of options: games, videos, the Internet, thousands of programs for all occasions. However, its battery life is significantly less than that of a regular phone.
smartphone operating system Android OS version at the start of sales Android 4.1 Case type classic Controls touch buttons Number of SIM cards 2 Weight 115 g Dimensions (WxHxD) 66.6x122.2x9.7 mmScreen
Screen type color IPS, touch Type touch screen multi-touch, capacitive Diagonal 4.3 inches. Image Size 800x480 Pixels per inch (PPI) 217 Aspect Ratio 5:3 Automatic screen rotation There isMultimedia capabilities
Number of main (rear) cameras 1 Main (rear) camera resolution 8 MP Functions of the main (rear) camera autofocus Recording videos There is Max. video frame rate 30 fps Front-camera yes, 0.3 MP Audio MP3, AAC, WAV, WMA, FM radio Headphone jack 3.5 mmConnection
Standard GSM 900/1800/1900, 3G Interfaces
Almost all modern smartphones have Wi-Fi and USB interfaces. Bluetooth and IRDA are a little less common. Wi-Fi is used to connect to the Internet. USB is used to connect your phone to a computer. Bluetooth is also found in many phones. It is used to connect wireless headphones, to connect the phone to wireless speakers, as well as for transferring files. A smartphone equipped with an IRDA interface can be used as universal remote control remote control. Glossary of terms for the category Mobile phones
Wi-Fi, Wi-Fi Direct, Bluetooth 3.0, USB Satellite navigation
Built-in GPS and GLONASS modules allow you to determine the phone's coordinates using signals from satellites. If there is no GPS modern smartphone can determine its own location based on signals from base stations mobile operator. However, finding coordinates using satellite signals is usually much more accurate. Glossary of terms for the category Mobile phones
GPS A-GPS system yes DLNA support yesMemory and processor
CPU
IN modern phones and smartphones usually use special processors - SoC (System on Chip, system on a chip), which, in addition to the processor itself, houses the graphics core, memory controller, input/output device controller, etc. Therefore, the processor largely determines the set of functions and performance of the device .Glossary of terms for the category Mobile phones
Qualcomm MSM8225, 1000 MHz Number of processor cores 2 Video processor Adreno 203 Built-in memory capacity 4 GB Volume random access memory 768 MB Memory card slot Yes, up to 32 GBProblem solved
Advantages: 1. Balanced - does not slow down or lag. 2. Capacious battery. Lasts 2 days without problems. Of course, this is if you don’t play games for hours and don’t sit on the net. but in the mode of 40-60 minutes of conversations per day, a piece of a movie at night, music on the road, an hour of reading - it lasts 2 days. At night, though, I usually put it in airplane mode. 3. Compact body size - suitable for those who want to put a smart phone in their jeans pocket, and at the same time cross their legs :) fits well in the hand, you can control it with one finger without any problems. 4. The screen has good color reproduction, grain is not noticeable, the touchpad is flawless. 5. Assembly is standard, there are no creaks or backlashes, everything is monolithic. 6. Light weight - 115g. I threw it in my shorts and forgot, and when the weight of the shovels is over 160 grams, it’s not a disaster, but the smart always reminds itself of its weight and dangling when you walk or ride a bike. 7. The Optimus UI shell is nice, convenient and intuitive even for those who have never dealt with Android before. 8. The camera takes good pictures, autofocus is spot on. 9. A separate assignable button is a small thing, but nice. If you want, assign a camera, or if you want, assign any other program. This solution is better than a separate button for the camera, as it is universal. 10. 768 MB of memory is certainly not a lot, but it’s not 512 either. I usually have 200-300 MB free, so the interface doesn’t become dull. At the same time, I’ll make a reservation that I make smart phone calls, read, listen to music and watch videos. Internet is rare, because at home and at work it’s already boring :) 11. 2 SIM cards are a plus, of course. If you don't need a second card, you can turn it off; in my case, if you have dual SIM cards with a capacious battery and compact size, this smart card is just the golden mean. Separate button switching is convenient, very convenient. and by chance it doesn’t click for me, as many people write. and if someone has such a problem, then you can stick any white or other sticker on top, an oracled piece, etc. - and there is no button. 12. Corrugated surface back cover(in the case of a white case) - lies securely in the hand. Disadvantages: 1. In the sun, the screen goes blind even at maximum brightness. I think this can be solved with anti-reflective film, but I haven’t gotten around to it yet :) 2. I would like the travel of the buttons and their size to be a little larger. in your pocket, music volume, etc. It's not particularly convenient to adjust by touch. 3. Well, at least some kind of headset could be included in the kit. Comment: Of course, it is not suitable for gamers due to the not very strong hardware and problems with installing programs with a large cache on the built-in memory. but for work and just everyday multimedia use- super, reliable friend. These shortcomings do not spoil the impression. Pre-installed programs They allow you to use the smart one out of the box, I haven’t noticed any bugs. I did not observe the overheating and reset of maximum brightness indicated by many users, probably for the reason that if I played games, they were simple ones. and the Internet, music, video - heats up within reason and does not reduce the brightness. perhaps in latest firmware 10th simply fixed this. The volume and sound quality of the speaker and headphones are acceptable, no complaints. The lack of backlighting of the buttons personally only makes me happy; my fingers get used to the location after a day or two, and in my opinion it is absolutely unnecessary. The lateral location of the power/lock button is very convenient for the thumb; a second hand is not needed to communicate with the smart phone. the price is falling rapidly - 200 UAH (1000 rubles roughly speaking) per month - in another month or two it will be quite inexpensive, everyone can afford it. Summary: I did not expect such a pleasant and inexpensive product from Skis.
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