Smartphone positioning
Technical parameters do not allow the Lumia 640 to be classified even in the middle segment of mobile devices. Reviews in this regard highlight the central processor, which is outdated both morally and physically. But at the same time, do not forget that the Windows operating system for mobile gadgets boasts a high degree of optimization. Therefore, in comparison with its direct competitors represented by Android, it requires significantly fewer hardware resources to ensure its normal functioning. It is this plus that sets devices of this software platform apart from direct competitors. Accordingly, this device is perfect for those who need an inexpensive entry-level device with modest technical specifications, but with an acceptable level of performance. This “smart” phone can boast of exactly this combination. It should also be noted that this smartphone is based on the developments of NOKIA, which was recently acquired by the Microsoft Corporation, whose logo is printed on the body of the gadget.
Device components
The equipment included with this device is very, very sparse. The Microsoft Lumia 640 smartphone boasts the following list of accessories, documentation and components:
- The smartphone itself with a removable battery installed in it.
- Charger.
- Warranty card and multilingual instruction manual.
New owners of this device will immediately have to additionally buy a protective film for the front panel, a case, a memory card, a stereo headset and an interface cord. Without these accessories, it will simply be impossible to unlock all the capabilities of this “smart” phone.
⇡#Photo examples
Microsoft Lumia 640 LTE DS
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But the camera shoots video pretty well.
Appearance and ergonomics
The Lumia 640 is a familiar candy bar with touch input support. On its front panel there is a high-quality 5-inch display, the lower part of which is occupied by the usual control panel of 3 standard buttons. Accordingly, there are no separate touch buttons on this device. Below there is only a black strip on which there are no controls or communications. At the top, above the screen, there is a speaker, the manufacturer's logo, a front camera hole and a whole set of sensor elements. On the left edge of the smartphone, controls are cleverly grouped: the smart phone lock button and the gadget’s volume controls. This allows, even with such a large display diagonal as 5 inches, to control it only with the fingers of one hand (in this case, the right). There are no important elements on the opposite side of the device. At the top there is a port for connecting wired speakers. Well, at the bottom there is a micro-USB port and a speaking microphone hole. On the back cover there is a main camera with a single LED backlight. There is also a logo of the manufacturer. There are four design options for the body of this device. In addition to the usual white and black, there are also orange and blue. Only the black version has a matte surface, while all others have a glossy finish. The front panel of the gadget is protected from possible damage by “Gorilla Eye” and, of course, the third generation.
Display
The Lumia 640 XL has a 5.7-inch display with a resolution of 1280x720, an IPS matrix and a pixel density of 259 ppi.
Unfortunately, Microsoft did not provide a 5.7-inch FullHD screen with resolution, and decided to go with HD, which, of course, is not enough for this size; pixelation is noticeable.
An obvious advantage is the ClearBlack coating, which allows you to read any information on the screen even in bright sunlight. Do you agree that this advantage is captivating? In the settings, you can select automatic brightness adjustment depending on the light level.
Lumia 640 XL, like its predecessors, supports working with the screen with gloves and unlocking with a double tap.
Central processing unit
A very modest model of the central processor is installed in the Lumia 640. This is the Snapdragon 400 chip, developed by a leading manufacturer of CPUs for mobile gadgets. It consists of 4 computing clusters, each of which is based on the energy-efficient Cortex A7 architecture. But at the same time, the required level of performance is achieved by increasing the computing modules. In this case, there are 4 of them, and this is quite enough for the normal operation of multi-threaded applications. The frequency of each core changes dynamically and can reach 1.2 GHz. This processor is manufactured using 28nm technology. For the latest versions of Android, the capabilities of this semiconductor crystal are clearly not enough. But Windows Background is no longer so demanding on the hardware resources of a mobile device. Accordingly, all the software that is available for this software platform will work without problems on a gadget such as the Lumia 640 smartphone.
Display and its characteristics
The regular version of this smartphone is equipped with a 5-inch diagonal display. Its resolution is 1280x720, that is, the image on it is displayed in 720p quality. The pixel density in this case is 294ppi, which is quite good by today’s standards. The screen matrix itself is made using IPS technology. This ensures excellent color reproduction on this smartphone, as well as an acceptable level of energy efficiency. Another advantage of the device is the presence of a special sensor that automatically adjusts the brightness of the touch display. There is also a more advanced model of this smartphone - Nokia Lumia 640 XL. The difference between these devices is the screen diagonal. In this case, it is increased by 0.7 inches and is 5.7 inches. But the resolution of the screen itself has not changed. As a result, on a device with a larger diagonal the image quality is worse than on a younger model.
Cons of Microsoft Lumia 640 LTE Dual Sim
I’d like to absolutely smash it to smithereens, but I’ll be objective….
Jewish phone kit
Here's your phone, here's a charger with a permanent cord, and also instructions. That's all. Look for headphones and a USB cable wherever you want. In principle, this can be attributed to the low price of the phone itself. And all these adapter-headphone cords cost pennies.
The logic of the smartphone interface in certain places
I went to the gallery and opened the image, all navigation disappeared, I was shocked. How to go back, huh? The “back” and “start” buttons (minimize all windows and task manager when held) suddenly disappeared, and photo editing buttons appeared in their place. It turned out that you need to pull your finger from the bottom of the screen to again “pull these buttons into place.” Sorry, but life didn’t prepare me for this!!!! And Apple’s interface designers smile sarcastically at this point.
The case gets dirty
If you eat fried chicken with your hands and then grab your phone, it is expected to become dirty. In the case of the black Lumia 640 LTE DS, it will be dirty even if your hands are perfectly clean, polished and dried. From this point of view, this phone is an ideal murder weapon for immediately getting burned. If you give it to someone, you will be able to fully “work out” fingerprints from the surface of the phone without any unnecessary movements. Maybe you can even unlock the Apple Touch.
The phone is heating up
No matter what anyone tells me, I experienced it on my own skin in the literal sense of the word. YES! It HEATS under load (even when watching videos). If you play Asphalt 8 for half an hour, then when you land in your trouser pocket, the phone will act as a removable thermal carrier. They can really heat your pocket space and warm your hands in winter.
Large dimensions
Those who like it bigger will like it, but even in my rather large hand it is not always convenient for me to use.
Graphics accelerator
“Adreno 305” - this is the model of the graphics accelerator installed in the Lumia 640. This video accelerator cannot boast of a high level of performance. But its main task is to free the central processor from processing graphic information and thereby increase the overall performance of the mobile system. And he copes with this task perfectly. Separately, it should also be noted that this operating system is optimized for “modest” hardware. As a result, we get a completely balanced solution, both from the standpoint of hardware and software.
Cameras
Quite high-quality cameras are installed in the Lumia 640. Their characteristics are not impressive, but this does not mean that it is impossible to take high-quality pictures with their help. The main camera has an 8 megapixel sensor. There is a high-quality automatic image focusing system and a single LED backlight. The developers also did not forget to equip it with digital zoom. Other features of this camera include a BSI sensor and f/2.2 aperture. As a result, the photo quality is really excellent, especially for an entry-level gadget. This smartphone can record video with an image resolution of 1920x1080. In this case, the image will be updated 30 times per second. Therefore, this smartphone is also okay with recording videos. A more modest 0.9 megapixel sensor is at the heart of the front camera. But this does not prevent her from recording video in 720p format (that is, calls will be made in exactly the same quality). It does not have an autofocus system, but for an average quality “selfie” it is quite enough.
Memory
The memory subsystem in the Lumia 640 is also not satisfactory. Its characteristics are really good for such a software platform. The amount of installed RAM is 1 GB. This is quite enough to run several resource-intensive applications simultaneously. In this case, the interface will work smoothly and without glitches. The capacity of the integrated disk drive in this device is 8 GB. Some of them are occupied by the operating system. As a result, you cannot do without an external storage device in the form of a flash card. Its maximum volume can be 128 GB. The only drawback in this case is that you will have to purchase this accessory separately and at an additional cost. Also, Microsoft Corporation, in order to stimulate sales of mobile gadgets based on its software platform, provides buyers of this device with 30 GB free of charge for a period of 1 year on its OneDrive cloud service. As a result, the given parameters of the memory subsystem are quite sufficient for comfortable and convenient work on a device such as the Microsoft Lumia 640 smartphone.
The most important disadvantage of the Microsoft Lumia 640 LTE Dual Sim is applications
A review of this phone cannot be carried out without pointing out the phenomenal paucity and buggy nature of almost ANY third-party applications for this phone, although I found almost no information about this in any review of the Microsoft Lumia 640 LTE Dual Sim. Everything is really buggy!
Viber is stupid - notifications arrive after 2-3 minutes and like to turn themselves off in the settings without the user’s knowledge (artificial intelligence, h*le?!)
WhatsApp is slower - less than Viber, but the situation is completely similar.
VK notifications generally arrive within 20 minutes and live their own lives.
There is NOT ONE normal application for mail, except for the standard mail client, for which I could not configure my mailboxes. I had to go through the ass and redirect from 10 (!!!) mailboxes to one Gmail, which worked here, in order to know what was coming to me in general.
Yandex Maps is stupid and crashes, and it is also very difficult to use the search because the standard navigation (here it is not removed, like in the gallery) almost completely blocks access to the application management interface.
The simplest taxi application script crashes, Asphalt 8 sometimes crashes. Only LingvoLeo works well, at least thanks for that.
Battery and device autonomy
As noted earlier, the battery is removable in the Lumia 640. Reviews highlight its fairly high capacity of 2500 mAh. This, according to the manufacturer, is enough for 26 and a half hours of continuous communication in second-generation cellular networks. For 3G this value decreases by 6 hours and is already 17.5 hours. If the gadget is used as an MP3 player, then one battery charge will last for 86 hours. In standby mode, this device can last 36 days. In reality, the owner of this gadget can count on 2-3 days of battery life at an average load level. By increasing it, the time will be reduced to 10-12 hours (this is true for the most demanding games of the latest generation). Well, in the greatest saving mode you can count on 5 days of work without recharging.
Data exchange
Depending on the number of SIM cards installed, this smartphone model can have 1 or 2 slots for their installation. The latest one is called Lumia 640 Dual Sim. Reviews highlight the high quality of work; these are models with two cards installed. However, no serious problems were found. The device itself can work in any GSM networks: from 2G to 4G. He has no problems with all this. At the same time, its information transmission speed varies from several hundred kilobits per second to a solid 150 megabits per second. The gadget also supports the most common Wi-Fi standards: b, g, and n. Since the remaining a and ac standards are compatible with the three previously mentioned, there are no problems with the operation of such wired networks.
The developers did not forget about Bluetooth. In this case, we are talking about its 4th version, which allows, in addition to exchanging data with similar mobile devices, also connecting a wireless headset to a smartphone. The navigation capabilities of the device are implemented using GPS technology. As noted earlier, using the HERE service, it allows you to determine the location of the gadget even without an Internet connection. Additionally, the device features A-GPS technology. It determines locations based on signals from cell towers. However, an Internet connection is required. If this method’s accuracy within a populated area is acceptable, then there may be problems on the highway. Another important interface is NFC, which allows you to quickly transfer a large amount of information to a similar device in a matter of minutes. But there are only two wired interfaces in the Microsoft Lumia 640. Reviews highlight the high sound quality obtained from the audio port. Well, the second interface is a micro-USB located on the bottom edge of the smartphone.
Software
Initially, version number 8.1 of the Windows operating system was installed on this gadget. The Lumia 640 performed perfectly under her control. But the hardware of this device made it possible to update the system software. As a result, in June of this year an update was released for this model to version 10 of Windows Phone. A similar software upgrade occurred for the older model - Nokia Lumia 640 XL. But the level of sales of gadgets on this platform is very modest. In order to somehow stimulate this process, I decided to supplement this smartphone with a number of pleasant bonuses. The first of them (it was mentioned earlier) is 30 GB on the cloud service of this company OneDrive for a period of 1 year, and absolutely free. Another advantage of this gadget is the pre-installed Microsoft Office office suite. In addition to it, smartphone owners also receive a one-year subscription to Office 365 absolutely free. To edit photos, the device comes pre-installed with Photoshop Express from Adobe. But the navigation functions of this “smart” phone are performed by the HERE+ mapping service, developed by. Its main advantage is the ability to determine location without an Internet connection. For this, only the GPS signal is used. But for making video calls, the most popular product today – Skype – is preinstalled on this device.
End of support for Windows 10 Mobile
Before starting the update process, it’s time to talk about when Windows Mobile support will end completely, after which the diligent store will stop working.
- Starting December 10, 2020, Windows 10 Mobile users will no longer receive system updates from Microsoft.
- After December 31, 2020, you will no longer be able to use WhatsApp on Windows Phone operating systems.
- Until March 10, 2020, automatic or manual backups of your device settings and some apps will be created.
- Until December 10, 2020 (at a minimum), some services will continue to work, including uploading photos and restoring your device from an existing backup.
- On January 12, 2021, Microsoft will end support for Office apps on Windows 10 Mobile. They cannot be installed from the store.
Owner reviews about the device
Essentially, there is only one significant drawback to the Microsoft Lumia 640. Reviews highlight the gadget's software platform. The operating system called “Windows Background” has not yet become widespread. Therefore, the segment of entry-level solutions is still dominated by smartphones based on Android. But, as can be seen from the previously presented material, Microsoft is trying to change the current situation in its favor. Moreover, she has everything she needs for this. Otherwise, the Microsoft Lumia 640 phone is a worthy alternative to any similar gadget from another platform. Its software is highly optimized for the hardware. As a result, the system performance is quite sufficient to solve any problem. Well, software bonuses are a nice addition.
Review of lumia 640 lte dual sim after 2 years together
Let's define that a blog is about business, and a mobile phone (smartphone) for a modern businessman is a means of communication with the outside world, without which it is quite difficult to conduct business. A convenient and functional gadget can create additional comfort in matters of business management, or it can anger and drive you crazy with its stupidity. Microsoft lumia 640 lte dual sim is quite contradictory from this point of view.
I will try not to compare this phone with others, but to write exactly my feelings. For reference, here is a list of gadgets that I constantly deal with:
What prompted the purchase of Microsoft lumia 640 lte dual sim
Probably the stingy one pays twice, but I was very impressed by the price of 14,000 rubles for a phone with VERY good characteristics (at the time of purchase). Looking ahead, I will say that it is very difficult to sell a used one in principle, and almost impossible for good money.
Good reviews of the phone on Yandex.Market and many other sites where you can share your opinion about the technology, experience using a Lumiya phone and Windows Phone for six months earlier, good phone characteristics on paper, 2 SIMs and a good battery.
