Sony Xperia Z3 Compact review: a powerful kid. Sony Xperia Z3 Compact - Specifications

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There are several basic standards cellular communicationthat are supported by modern phones. The GSM standard is used almost everywhere in Russia. For high-speed data transmission, 3G and 4G LTE standards are applied - the highest speed of existing standards... Glossary of Terms by Category Mobile Phones

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Almost all modern smartphones have Wi-Fi and USB interfaces. Bluetooth and IRDA are less common. Wi-Fi is used to connect to the internet. USB is used to connect the phone to a computer. Many phones also have Bluetooth. It is used to connect wireless headphoneto connect your phone to wireless speakers and transfer files. A smartphone equipped with an IRDA interface can be used as universal remote control Remote Control Glossary of Terms by Category Mobile Phones

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Built-in gPS modules and GLONASS allow you to determine the coordinates of the phone using signals from satellites. In the absence of GPS, a modern smartphone can determine its own location using signals from base stations cellular operator... However, finding coordinates based on signals from satellites is usually much more accurate.

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Information about the brand, model and alternative names of a specific device, if any.

Design

Information about the dimensions and weight of the device, presented in different units of measurement. Materials used, offered colors, certificates.

SIM card

The SIM card is used in mobile devices to store data that certifies the authenticity of mobile service subscribers.

Mobile networks

A mobile network is a radio system that allows multiple mobile devices to communicate with each other.

Mobile technology and data rates

Communication between devices in mobile networks is carried out using technologies that provide different data rates.

Operating system

An operating system is the system software that controls and coordinates the operation of the hardware components on a device.

SoC (System on a Chip)

A system on a chip (SoC) integrates all the major hardware components of a mobile device into a single chip.

Built-in memory

Each mobile device has built-in (non-removable) fixed memory.

Memory cards

Memory cards are used in mobile devices to increase the storage space for data.

Screen

The screen of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Sensors

Different sensors perform different quantitative measurements and convert physical metrics into signals that the mobile device can recognize.

Main camera

The main camera of a mobile device is usually located on the back of the body and is used for taking photos and videos.

Additional camera

Additional cameras are usually mounted above the screen of the device and are used mainly for video calls, gesture recognition, etc.

Audio

Information on the type of speakers and audio technology supported by the device.

Radio

The radio of the mobile device is a built-in FM receiver.

Locating

Information about the navigation and positioning technologies supported by the device.

Wi-Fi

Wi-Fi is a technology that enables wireless communication for transferring data over short distances between various devices.

Bluetooth

Bluetooth is a standard for secure wireless transfer of data between different types of devices over short distances.

USB

USB (Universal Serial Bus) is an industry standard that allows different electronic devices to exchange data.

HDMI

HDMI (High-Definition Multimedia Interface) is a digital audio / video interface that replaces older analog audio / video standards.

Headphone jack

This is an audio connector, which is also called an audio connector. The most widely used standard in mobile devices is the 3.5mm headphone jack.

Connecting devices

Information about other important connection technologies supported by the device.

Browser

A web browser is a software application for accessing and viewing information on the Internet.

Mobile devices support different audio file formats and codecs, which respectively store and encode / decode digital audio data.

Video file formats / codecs

Mobile devices support different video file formats and codecs, which respectively store and encode / decode digital video data.

Battery

Mobile device batteries differ in their capacity and technology. They provide the electrical charge required for their function.

Specific Absorption Rate (SAR)

SAR level refers to the amount of electromagnetic radiation absorbed by the human body when using a mobile device.

Can anyone live even one day without mobile phone? Of course not! Nowadays, young people do not even admit this possibility. The devices are constantly being improved from year to year. Manufacturers equip them with innovative technologies. The mobile phone is now a mini-computer. With its help, you can access the Internet from anywhere, type documents and much more. The graphics and sound of modern devices are at a high level, so you can often see people playing games or listening to music.

Two years ago was presented sony phone Xperia Z3 Compact. It is a smaller version of the Xperia Z3. The device is designed for people who, for various reasons, do not want to buy a "shovel". Such a nickname was given to smartphones with large sizes. Surprisingly, this category of buyers sacrificed software and technical characteristics because of the size, since they had to buy the simplest models. The consumer demand for them, though small, is still there. For this reason, some manufacturers have released compact phones. The Sony trademark was no exception.

Xperia Z3 Compact (specifications, reviews and descriptions will be presented in the article) - a full-fledged smartphone. Hardware platform and software fully comply with modern requirements. At least that's what the manufacturer claims. And is this really so, let's figure it out.

Equipment

Sony in recent times refused bright packaging materials. The Xperia Z3 Compact is no exception. The box is very simple, made of unvarnished cardboard, without any frills. On it, the buyer will see an image of the phone, the name of the model, brief description... Inside, it is divided into three sections. The partitions between them are quite thin. The manufacturer put in them charger, the device itself, simple headphones and a USB cable. If the packing box has the D5803 index, then the headset is not included in the kit. It must be purchased additionally. The only way to reassure the buyer is that the price of the headphones is quite acceptable. Documentation must be attached to any device:

• The user guide contains the technical specifications of the phone Sony Xperia Z3 Compact and other useful information.
• The warranty card is completed by the seller on the day of purchase.
• List of service centers.

The package bundle, right off the bat, is quite modest. However, it is fully justified by the cost, which starts at 20,000 rubles. Telephones intended for sale in Ukraine are not supplied with a headset.

Appearance

The Sony Xperia Z3 Compact has big screen, which is an absolute advantage. They were able to enlarge it by reducing the frame. Now it is very narrow (3 mm), almost invisible. Manufacturers preferred to abandon clear, straight shapes with rough angles. Now the side faces are rounded, but the rectangle is still visible. The arc is slightly curved, but this is what softens the familiar traditional design. There are two speakers. They are located symmetrically (top and bottom). The holes are the same shape. The name of the company flaunts under the top speaker. Also in this part there is a camera on the right side. There is no standard arrangement of control buttons, they are located on the screen. You can only see them by unlocking your phone. The side frame is made of polycarbonate. Thanks to the change in the material (previously metal was used), it became possible to give the device originality due to transparency. This design decision significantly increased the status perception of the model and transferred it to the category of youth equipment.

The side edges are somewhat rough to the touch. This makes it possible to exclude slipping, so the phone can be held confidently and simultaneously operated with one hand. The manufacturer claims that the polycarbonate material has excellent shock absorption properties, which act as serious protection when the smartphone falls from a height.

The design type of this model is monoblock. The Sony Xperia Z3 Compact case (the characteristics of the phone are in the article) consists of two plates and a frame. Slots for memory cards and SIM are located on the sides. Slots are closed with special caps. In order to get the cards, you just need to open them. There is a USB cable connector next to these slots. The back panel is made of glass. It only has a flash and a camera lens. The device is currently available in four colors: black, white, green, red-orange.

The phone's power and lock button is located on the side edge, on the right side. It is round and chrome-plated. There is a volume rocker next to it. At the bottom of the side face is a hardware camera key. You can even shoot underwater. The manufacturer has also equipped the device with a special docking station connector. The bottom has a microphone and a lanyard hole. Headphones are connected from above, the standard jack is 3.5 mm.

Sony Xperia Z3 Compact: specifications

Before describing in detail the main components of a smartphone, it is necessary to dwell on the technical characteristics. Let's take a look at what the manufacturer offers in this model:

Screen

Will buyers be surprised by the display of the Sony Xperia Z3 Compact smartphone? The characteristics of the screen are quite acceptable, although by modern standards the indicators are not very high. In the manual, you can read the following information provided by the manufacturer:

• Screen type - Triluminos.
• The resolution is 1280 × 720.
• Matrix - IPS, touch.
• The diagonal is 4.6 ".
• The pixel density is 319 ppi.

The special X-Reality technology is used to enhance the image. The usual film protecting the screen is absent in this model. The manufacturer decided to use glass. Brightness settings are adjusted in two ways: automatically and manually. Multi-touch is designed for 10 simultaneous touches. The display can be operated both with wet hands and with gloves. There is a proximity sensor on the front surface. If you close it while talking on the phone, it will automatically lock the screen.

The colors are quite saturated. The display can reproduce up to 16 million colors. The viewing angles are good. When the unit is tilted 45 °, the contrast decreases. Changes occur due to the highlighted areas of black.

Sound

What sound to expect from the Sony D5803 Xperia Z3 Compact (black)? Speaker performance is not high. Unfortunately, there is no expressiveness. The sound is muffled, noises are observed. When the volume is turned on, wheezing appears. Considering that there are two speakers in this model, buyers hoped for a better result.

The owners will not be pleased during the conversation either. The voice of the interlocutor, although recognizable, is not clear. However, timbre and intonation are well recognized.

To play music files on the Sony Xperia Z3 Compact (the characteristics of the phone are presented above), a Walkman player is used. It is equipped with standard settings and, in the opinion of audiophiles, has nothing remarkable. The only things that deserve attention are surround sound and innovative technologies xLoud and Clear Phase. To improve performance, you can use the ClearAudio + option. For lovers of music tracks, the manufacturer recommends using the MDR-NC31EM headset, which guarantees a 98% noise reduction.

Camera

This model equipped with two cameras. This no longer surprises anyone. All modern smartphones are equipped in the same way. The only difference is the resolution. Will photography lovers like the Sony Xperia Z3 Compact (D5803)? The characteristics of the main camera are impressive - 20.7 megapixels. It is equipped with a G Lens, 27mm autofocus. If necessary, the settings can be changed manually, choosing the best result. It is worth noting that in the automatic mode, the images are taken with a size of 3840 × 2160 pix, which corresponds to a resolution of 8 megapixels. In the settings, you can select the highest rate that will allow you to take photos of 5248 × 3936.

The owners, after testing the main camera, came to the following conclusions. The pictures are enough good quality... At close range, the sharpness decreases only in the corners, and then only slightly. In photographs, shadows are rendered well, there is practically no noise. The main advantage of this model is the ability to take pictures underwater.

It makes no sense to dwell on the front camera (2.2 Mp) for a long time. Its resolution means that selfie lovers will not be able to get quality pictures.

Filming

Sony Xperia Z3 Compact (camera specification above) opens up great possibilities for taking videos. For example, you can record the same scene from different viewing angles, or use background sound (rain noise, birdsong, etc.). Video resolution: 4K (UHD) and 1080 p. There is a high frame rate mode. You can also use slowing effects if you want.

The wide range of video recording functions has pleased many owners. The 60 fps shooting mode (1080 r resolution) received the most positive reviews.

Software

The characteristics of the Sony Xperia Z3 Compact phone directly depend on the processor power and operating system... They influence the speed of the device. This model is equipped with a quad-core qualcomm processor Snapdragon 801 with Krait 400 core type. Frequency - 2.5 GHz. As for the platform, the phone runs on an updated google version Android 4.4.4. The interface is proprietary, is own development by Sony. The icons and settings items are large and clear. Surprisingly, only this model has a reboot option. Previously, it was necessary to simply turn off the phone and turn it on again. New devices were able to integrate with game console, and the screen can be used not only by a smartphone, but also by a Sony Xperia Z3 Tablet Compact. The characteristics of these devices are compatible with the Sony PlayStation 4. Mobile devices are capable of displaying everything that happens on the TV screen. The manufacturer has provided a special support-fastener as an additional accessory. With its help, the phone or tablet is connected to the joystick.

Battery

IN modern smartphones rather important parameter is the duration autonomous work... Of course, the battery is responsible for it. But not everything depends on its capacity. Also important are such parameters as screen resolution, brightness level, etc. How did the Sony Xperia Z3 Compact (black) phone perform?

Battery specifications:

• Type - lithium-ion.
• The volume is 2600 mAh.
• Charging time - 3 hours.
• Standby time - about 900 hours.
• Music playback via headset - 110 h.
• When talking - 14 hours.

During testing of the device, the following results were obtained. It should be borne in mind that Wi-Fi was turned on on the phone.

• Reading mode with low brightness level - 22 hours.
• Video viewing in high format - 10 hours
• 3D game option - 5 hours

So, these results indicate quite decent characteristics. Not every smartphone has such indicators. How was the manufacturer able to achieve them? For battery life, the screen is the main advantage. He is not very big size and is not equipped with FullHD-resolution. It is thanks to him that the indicators of the duration of work without recharging are so high.

Communication

This model supports network formats: 2G, 3G, 4G. You can use Wi-Fi and Bluetooth to receive and transfer data. With the Internet turned on, the owners did not notice any system freezes or slowdown of the device. Data transfer can be performed at speeds up to 150 Mb / s. As for the signal mobile operator, then the owners had no comments, the phone catches the network perfectly.

Conclusion

Describing the model Sony Xperia Z3 Compact (you now know the full specification), you can highlight a large list of advantages. Owner reviews confirm them in 100% of cases.

Of course, there were some comments. Some owners are unhappy with the screen. You will have to agree with them, as there are some shortcomings. The replacement of the material of the side faces is also difficult to call an advantage, since the phone has lost its status as an expensive equipment. Now he is more positioned as a teenager. By the way, it was not for nothing that the manufacturer added green and orange options. They are great for young energetic people. And buyers with conservative views can opt for classic designs - white and black.

We all remember the success of the Z1 Compact. Many switched to this smartphone from flagships and enjoyed life even more. This smartphone was a really powerful and miniature copy of the flagship, and not a simple average, dressed in a device similar to the top-end appearance... The new compact with the Z3 index turned out to be a worthy successor. Good performance, excellent appearance and miniature body, but there are also pitfalls, which are discussed in this article.

Equipment

I don't understand the manufacturer's logic. In some devices (M2), the packaging is made of rigid angular cardboard with separate compartments from each other. It looks stylish and original.

In others (I'm talking about today's hero of the review), this is a simple box with one common removable cover. It looks, of course, not so impressive, well, okay.

The device comes with a charger, microUSB cable and all sorts of paper manuals. There is no headset, so you need to buy it separately. Taking into account the increased price for the device relative to its predecessor (23,990 versus 21,990 rubles), rejection of the headset is a little upsetting. However, there is nowhere to go. It is what it is.

Appearance

The appearance of the smartphone has undergone significant changes and they are all for the better. The side frames have become plastic and rounded. The material is very grippy to the touch, and thanks to this, the smartphone lies securely in the hand. In general, the edge of the smartphone plays interestingly in the light, and besides, it additionally protects the device from falling due to its structure. Look at the corners of your smartphone? This division of the frame into separate segments contributes to the distribution of impact energy along the entire perimeter and in theory should protect the glass on the front and rear surfaces.

The Z1 Compact had a plastic back cover, and the successor got a tempered glass panel.

The back surface is scratch and fingerprint resistant. On the white version of the smartphone, traces of use are almost invisible at all - it is clearly much more practical.

By the way, there are four color variations on sale: black, white, orange and green.

Bright solutions look very interesting and original.

Let's explore the body further. Microphone holes are located at both the top and bottom. The headphone jack (3.5 mm) has a beautiful metal frame. A trifle, but it looks very dignified. On the lower edge there is a groove for attaching a strap. This Sony is unchanged.

The right side is filled with power keys, volume keys and a separate camera button. The latter adds significant convenience when photographing. And underwater, the only way to take a picture is to use this key, since the smartphone's display becomes inactive to touch. The movement of all buttons is clear and confident.

On the left side are all the connectors of the device and, of course, under special plugs. In the center there is a port for connecting a smartphone to a docking station, and on the sides of it there are slots for a memory card and a SIM card, as well as a microUSB (2.0) interface.

As before, the SIM-card (now nano) fits on a special, extremely fragile substrate. This option for removing the card is not convenient, but the Japanese stubbornly continue to equip their products with just such a solution.

There is no hot swap. The smartphone must be rebooted every time. This is normal.

By good tradition, Z3 Compact is not afraid of water, as follows from the IP65 / 68 specifications. With a smartphone, you can dive up to 30 minutes to a depth of one and a half meters. Everything is standard here.

The dimensions of the device are very miniature and can be estimated by comparative table below.

Please note that the length and width of the successor is the same as the Z1 Compact. Sony managed to keep the usual dimensions, which is worthy of praise, and in addition to this also reduced the thickness and weight of the device.

The device fits perfectly in any hand.

Many who are purposefully looking for a compact digital assistant will definitely like this.

Now about the bad. In my test unit, the front panel was glued crookedly. This is especially noticeable in the non-white version of the device.

Pay attention to the gaps between the bezel and the display glass.

Be sure to pay attention to this point before buying. Only I faced such a situation, because there are mostly normal copies on sale. Look at the photo for an example I found at one of the major networkers.

Display

The Z3 Compact has a 4.6-inch diagonal. This size is considered by many to be sufficient for a mobile phone. Here we can only say that there are no comrades for taste and color.

The screen resolution is 1280 x 720 pixels. There is no need to be upset about the lack of Full HD, since it is difficult to see individual pixels with the naked eye. The picture is smooth and clear.

In the display settings, you can independently change color range... In addition, you can use the proprietary picture enhancements: X-Reality for mobile and the maximum brightness mode. The same is present in the current one. These filters work interestingly and really make viewing photos and videos much more interesting: the contrast increases and, let's say, the vividness of the picture. Offset!

The display does not change colors from different angles, the image does not fade. This is typical for all IPS matrices.

Specifications a newbie is best compared to its predecessor (highlighted the changes in red):

There are no complaints about the performance of the new compact and there can be no complaints.

Both the proprietary interface and the applications - the device works quickly everywhere and without any lags. For completeness, here are the results from various benchmarks:

Photo opportunities

First about the front camera. The 2.2 megapixel matrix is \u200b\u200bcapable of taking photos at a resolution of 1920 x 1080 pixels and the same videos. There is support for HDR video and image stabilization during shooting.

The main camera with the already familiar 20.7 megapixels can create photos with a resolution of 5248 x 3936 (aspect ratio 4: 3). It is based on a proprietary Exmore RS 1 / 2.3 "matrix. As a lens, there is again a native G Lens with a fairly wide angle of 25 mm.

Sample photos in 8 megapixel resolution are shown below as they are:

In some photographs, especially in low light conditions, do not understand where the greenish fog comes out. This is most common when HDR is on. Obviously, the matter lies in the imperfect algorithm for processing frames. Left frame without HDR, right with dynamic range enabled:

For clarity, there are also several examples of 20-megapixel images:

If we compare manual and automatic shooting scenarios, then I would advise you to stop at the automatic one. Usually the system itself copes with determining the exposure level, the light sensitivity of the matrix and selects the best scenario for a particular frame. Moreover, in a resolution of 8 megapixels, this happens more correctly than when the resolution is set to the maximum. Of course, if there is no trust in the robot, then you can independently set the exposure level or choose something from ready-made shooting scenarios, since there are a lot of them here.

100% crop (8MP):

100% crop (20MP):

The minimum focusing distance is 120 mm. The ISO parameters are as follows: in manual mode, the maximum value is 3200, the declared value of ISO 12 800 in the specifications is available only from automatic mode... When filming a video, the top threshold of light sensitivity does not exceed 2000. For clarity, let's look at an example from composite images taken in the dark:

Shooting modes

It has already become the norm for Sony products that a whole bunch of various photo applications are installed right out of the box on a smartphone. I'll tell you about the most interesting ones.

Ever since the Xperia Z1, in the camera settings, it was possible to select the AR effect mode, the essence of which was to superimpose any virtual effects on the real picture: dinosaurs, gnomes, butterflies and others. Starting with the Z3 series, there is an add-on called AR entertainment... The phone's viewfinder should be aimed at some flat surface, on which you can virtually throw bombs, fruits, set fire to fire, draw 3D graffiti, and so on. Interesting thing, especially in a company.

The chip designated by the company as helps to recognize an object by photographing it and searching on the Internet. It can be anything: a monument, a document, a painting or something like that. Domestic users will not be happy that the system is looking for information on an object in English-language sources. Nevertheless, the law "On Protection of Consumer Rights" was successfully recognized by a smartphone as a kind of printed source of Russian law.

If the field of your main creativity is Youtube, then you will surely appreciate the utility that allows you to stream video to live to your own video resource channel. No need to go anywhere and look for special applications. Sony's smartphone is perfect for mobile reporters, especially considering the separately sold special microphone for podcasters - STM10 (official price of 1,490 rubles).

Of course, there is the opportunity to shoot panoramic views, choose one best shot from several dozen created in the Timeshift burst mode, take direct notes using the camera in Evernote, and more. The functionality is rich and you can always expand it by downloading additional filters.

Video recording

The compact video clip is capable of shooting both in standard resolution 1920 x 1080 and in 4K resolution (3840 x 2160, 30 fps). Other settings increase the frame rate to 120 fps. SteadyShot image stabilization and HDR video function can be activated in the menu at the same time.

Videos filmed on a smartphone, as always, are in their place - below:

I really like the mode Timeshit video, thanks to which you can shoot slo-mo videos. And I like it first of all for the clarity and convenience of their creation.

Everything is as usual: we pressed the REC button, started recording, stopped shooting. And this is where the fun begins. Right in the program interface, you can select a section that will slow down, or rather, set its boundaries, see how the video will look and, if everything suits you, press the save button. It looks very interesting. See for yourself:

Sound

The sound volume through external speakers is slightly above average. This is far from the flagship Z3, where the sound is loud and bass, and the body starts to vibrate. Nevertheless, if you put some of the standard melodies on the call, the call will be heard even on a noisy street and from a bag over your shoulder.

The player's menu contains the S-Force Front Surround setting, which paradise in theory provides "realistic surround sound reproduction." In practice, the sound stream turns out to be somehow turned inside out. In general, I did not like it, but you might like it.

As for the quality of playback through headphones, then everything is as always on the highest level... Still, the ClearAudio + add-on makes the sound better and more interesting. Recommend. The rest of the improvements are already in taste and color.

In the parameters, you can choose surround sound, play with the equalizer or with the ClearBass proprietary chip. In general, the usual functionality from Sony.

In the jungle of settings there are, so to speak, presets of various branded headphones with their characteristic sound. Even if you use a Bang & Olufsen headset, there is always the option of making it sound like Sony's branded ears.

The smartphone supports the following audio formats: 3GPP, MP4, ADTS, AMR, FLAC, Matroska, SMF, XMF, Mobile XMF, OTA, RTTTL, RTX, iMelody, MP3, WAV, OGG, ASF.

The device supports videos out of the box in the following formats: 3GPP, MP4, Matroska, AVI, Xvid, WebM.

PS4 Remote Play

As in the entire fresh line of devices from the Japanese corporation, in the Z3 Compact you can play adult games broadcast from the PlayStation 4. The only thing is small: buy an additional accessory Game Control Mount GCM10 (not yet sold), the console itself, if, of course, also did not get it, and go.

Of course, you can do without all this and just play the available from Google play toys with a connected DUALSHOCK 3 or 4. But don't forget to buy the cable. Nothing to do about.

Battery

Smartphone installed non-removable battery capacity of 2600 mAh. The manufacturer guarantees two days of battery life, but this is not the case. With very active use, the device will be able to live on a single charge until the evening maximum. If other devices, including those in the native Xperia line, are treated very moderately (background notifications from social networks and various accounts, half an hour of Internet per day via Wi-Fi) could live for three or more days, then for a new compact, this figure does not exceed two days. This, of course, is not a critical parameter, but one must be prepared for such behavior of the device.

Of course, in the settings, you can activate the STAMINA mode, in which all background tasks do not work when the smartphone screen is turned off. In addition to this setting, you can use the "Low battery mode", when at a predetermined charge level, the indicated functions are turned off. Once set up and do not worry. All this, of course, allows for a little energy savings.

The latest solutions from Sony use a new energy-saving scenario - Ultra STAMINA. Everything is tough here, since the list of running applications is limited in advance and cannot be changed. You can use the telephone functions of the device, take full advantage of the camera, album, radio and several other standard functions.

In this mode, the system changes its appearance and many settings become unavailable. For example, you cannot customize the desktop, access installed applications and so on. See the screenshot for how it looks.

When the setting is activated, there is no Internet connection at all, you can leave Bluetooth on and nothing more. Of course, the device turns into a regular dialer with good camera, however, the power consumption of all this significantly saves on condition when the screen is turned off. If you even start using your smartphone, browsing contacts and messages, the power consumption continues to melt before your eyes, as if no special power saving settings were activated.

In general, the power consumption of the Z3 Compact is poorly tuned. Perhaps in the next firmware versions this point will be corrected.

Outcome

The new smartphone turned out to be a worthy continuation of the traditions laid down by the corporation in the Z1 Compact. The design has become even more interesting and modern, the style and miniature of the device are preserved. The only pity is that the price has increased to 23,990 rubles. However, given the economic situation in the country, this could be expected. I don't know if the price tag will drop in a few months. Few people know what will happen in six months, so do not postpone the purchase until tomorrow if you have free money today.

Buying a Z3 Compact, you get a compact and stylish body with powerful stuffing. Yes, the power consumption is a little pumped up, but perhaps this will be fixed in the future. There are some complaints about the case, but again not in all copies. You have to look and choose yourself.

Should I buy Sony Xperia Z3 Compact or not?

If you own the first version of the compact, then I think not. Your smartphone is good and will remain so for at least another year.

If you need a miniature, powerful and modern device in your pocket, you can pay attention to the device. Look at the competitors first, and this is Apple iPhone 5S and. All worthy players have their own face, but only a Sony product can sink in water.