Home / Android / Review of the smartphone Samsung Galaxy J7 2017 (SM-J730)

Review of the smartphone Samsung Galaxy J7 2017 (SM-J730)

Contents of delivery

  • Smartphone
  • Wired stereo headset
  • Charger with USB cable
  • Instructions
  • Clip for extracting a SIM card
  • Specifications
  • Android 7
  • Display 5.5 inches, SuperAMOLED, FullHD, automatic brightness control, AlwaysOn Display
  • Chipset Exynos 7870, 8 cores to 1.6 GHz
  • 3 GB of RAM, 16 GB of internal storage (10 GB available to the user), microSD memory cards up to 256 GB
  • Battery 3600 mAh Li-Ion, time in LTE / Wi-Fi up to 13 hours, video playback – up to 19 hours, talk time – up to
  • 21 hours (3G)
  • Two nanoSIM cards and memory card installation, slots not combined
  • Front camera 13 megapixels, f / 1.9
  • The main camera is 13 megapixels, f / 1.7
  • 4G – band 1/3/5/7/8/20
  • Wi-Fi 802.11 a / b / g / n / ac, dual-band, ANT +, Bluetooth 4.2, USB 2.0, microUSB, NFC
  • GPS / Glonass / Beidou
  • Sensors – accelerometer, gyro, geomagnetic, Hall, proximity sensor, RGB light sensor
  • Fingerprint Scanner
  • Samsung Pay
  • Casing colors – black, gold, blue, pink
  • Dimensions – 152.4х74.7х7.9 mm, weight – 181 grams
  • Positioning
  • Lineage J in the classification of Samsung refers to the initial level, while it can be found as the most inexpensive models, and devices worth 20,000 rubles, which close the line from the top. Such a spread of prices could not but affect the difference of models, the contingent core of the line, which is combined ideologically, can be considered J3 / J5 / J7, it is these three models that coincide with similar rulers above, for example, with the A-series.

samsung j7

Usually the J-series looked like more simple models compared to the A-series, for those who do not need advanced features, but want to buy a smartphone from a big manufacturer, rather than a Chinese company with an obscure history and obscure service. Comparison in the forehead with Chinese devices J-series lost, because it was not optimal in terms of price / quality ratio, you could find a rather large number of interesting models for comparable money. In the lineup of 2017, Samsung cut this gap, making the same J7 much more interesting for a mass buyer. As usual, the emphasis is on the quality of the picture, the operating time, as well as the materials of the case – here it is metal. Idea J7 is very far from the A7, which has a protection against water, the appearance is similar to the company’s flagships. In J7 2017 everything is much simpler, it can be considered a workhorse, Which they buy for a long time and expect to receive all the most necessary and a little more. Given the pickiness and legibility of buyers in this segment, they are hard to please, but J7 can claim attention, since the model turned out very successful, and together we will consider why this is so.

 

Design, dimensions, controls

All models of the J-series are available in four colors: black, blue, gold and pink.

In my opinion, it looks good as a black, habitual color, and blue, which is most interesting. Gold and pink are uniquely suited to girls who are fond of such color solutions.

The case at the device was made monolithic, it is metallic, and the surface painting quality is good, the paint is not erased even with time or in a pocket with keys. On the rear surface are visible plastic antenna inserts.

I like that there is a physical button on the front panel, a fingerprint sensor is inscribed in it, it works fine – quickly and clearly. This classic arrangement can be considered a plus, since the sensor on the rear surface is not so convenient. On the other hand, here the dimensions of the phone are 152.4х74.7х7.9 mm with a weight of 181 grams – even if the sensor was behind, there would be no problems. The smartphone easily fits in both men’s and women’s hands, it’s easy to hold, and to wear as you like.

In total, you can save up to three fingerprints, this is less than the company allows for older models. But I am sure that this will be enough for the eyes, if you use the phone individually, and not with someone for a couple.

On the front panel you can see the camera, flash for it, and also the light sensor. There are two touch keys near the fingerprint sensor, this is a traditional layout, there is no backlight for these keys.

On the left side there are two volume keys, but on the right side there is an on / off button, just above – the speaker hole for playing the ringtone and music. This unusual arrangement of the speaker does not cause problems, although the device is not the most vociferous, it is average in the volume of the call.

On the bottom end you can see a 3.5 mm jack, then a microUSB connector for charging. The build quality of the device is excellent, there can be no complaints.

 

Display

samsung j7
Unlike the previous generation models, in J7 2017 the screen is greatly reworked – it’s SuperAMOLED-matrix, in which literally every parameter has been improved. Firstly, the brightness of the screen was changed, in manual mode it is adjusted to 350 nits, in automatic mode or by turning on the “On the street” mode, you will get up to 550 nits. In the sun the screen is perfectly readable.

Also improved the color rendition, the colors are bright, saturated, but you can choose one of the four modes yourself or adjust the white balance as you want.

The display has a FullHD resolution at a diagonal of 5.5 inches, which is quite enough for such a device. The picture quality is higher than that of similar models of this segment. Compared with the counterparts from Huawei, faced with the fact that there are more dim screens in almost all modes, here are bright, good colors always. Automatic brightness adjustment works well, I advise you to use it.

Unlike all other J-series models, there’s the AlwaysOn Display feature, when on the screen you can always see the clock, application icons and notifications. That is, the screen always works. And at the same time, he practically does not spend energy on this.

 

Battery

Capacity – 3600 mAh Li-Ion, time in LTE / Wi-Fi – up to 13 hours, video playback – up to 19 hours, talk time – up to 21 hours (3G). The lack of wireless charging is not critical, but I would like to get a quick charge, since the device charges a long time – just over three hours, but it does not.

By the time of work I liked this device, since it is very close to J7 in 2016. On average, I got about two days of work under load – 5-5.5 hours of the screen, automatic brightness control, up to 1 hour of talk, data transfer to 4G.

Samsung Galaxy J7 2017 Samsung Galaxy J7 2017 Samsung Galaxy J7 2017 Samsung Galaxy J7 2017
The fact that this device can show video up to 19 hours at maximum brightness, merit SuperAMOLED-screen. But also it is worth noting that there are separate modes of energy saving, in them the work time can be increased by tens of hours, this is important if you do not want to remain unconnected at the most inopportune moment. Gradually, the technologies first introduced in the flagships get to mass models.

Chipset, memory, performance

The chipset in this device Exynos 7870, it has 8 cores with a frequency of up to 1.6 GHz, it inherited the device from J7 in 2016. Performance for normal tasks is enough for the eyes, the interface is responsive and pretty fast (not like the flagships, but in its segment everything works fine, there are no complaints). The device has 3 GB of RAM, 16 GB of internal memory (10 GB is available initially). In my opinion, for this segment and the scenarios of using 3 GB of RAM is more than enough.

Memory cards up to 256 GB, and there are no restrictions on the memory card and two SIM-cards, this is important.

Look at the results of synthetic tests, they are typical for such a device.

Camera

The front camera is 13 megapixels, but it does not have autofocus, but there is a flash and a bunch of modes to make a selfie or decorate your face with some kind of picture. Someone will like it, some do not, but the obvious emphasis on these features shows that among the users of the device there will be a lot of young people.

The main camera also has a resolution of 13 megapixels, but it has autofocus. The picture quality is good in moderate light, but in the dark, the camera is already running is not so good, and the picture appear lubricate often noisy. However, you can see for yourself. Nothing outstanding there, but “the horror, the horror” about the camera not to say it’s better than many peers in this segment.

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