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Hello everyone, I want to devote today’s review to the next «creation» of Teclast, a 10.1 ″ tablet with support for sim cards. Today we will talk about the Teclast M20 4G tablet

Main technical characteristics

  • Operating System: Android 8.0
  • CPU: MT6797 (X23) Deca Core
  • GPU: ARM Mali-T880 MP4
  • 10.1 inch 10-point Capacitive Touch Screen with 2560 x 1600 Resolution
  • 4GB DDR3L RAM for Advanced Multitasking
  • 64GB eMMC ROM Storage Capacity
  • TF Card Expansion
  • Dual Cameras for Photos and Face-to-face Chat 2.0MP front camera and 5.0MP rear camera
  • Dual Band 2.4GHz / 5.0GHz WiFi
  • network:
    GSM Band 2/3/5/8
    CDMA800BC0
    WCDMA Band 1/2/5/8
    TD-SCDCMA Band 34/39
    LTE Band 1/2/3/5/8/38/39/40/41

Packing and scope of delivery

The tablet is delivered in a dense, cardboard box, made in a branded white-orange color scheme. On the top, removable cover, there is information about the manufacturer and no information about the device inside the box.

The lower orange cover also contains information about the manufacturer, QR codes with links to the official website and the group, as well as three small stickers that contain information about the model name, device serial number, device IMEI and battery information.

Inside the box in a cardboard tray is a tablet.

Under the tablet are two small boxes that contain a power adapter and a microUSB cable to connect to the tablet. I would like to note that in order to exclude free movement of the delivery set inside the box, the manufacturer uses pseudo-boxes inside, which fix the entire delivery set inside the box quite rigidly.

You can’t exactly call the delivery set rich, because it includes:

  1. Tablet Teclast M20;
  2. Power adapter 5V/2.5A;
  3. microUSB cable;
  4. Brief instruction;
  5. Warranty card;
  6. Recommendations for the first start.

Design

Teclast M20 looks like a classic monoblock tablet with rounded edges. Most of the front surface is occupied by a 10.1” S-IPS capacitive screen capable of transmitting up to 16M colors, with a resolution of 2560×1600 pixels, a pixel density of 320 dpi from Sharp. In the upper part there is a window of the front camera, the resolution of which is 2 MP. In the lower part there is a hole behind which a spoken microphone is hidden.

The bezels around the display are quite large. Their size is 15 mm at the top and bottom, 10 mm at the sides, while the tablet has on-screen control buttons, which I personally like, but may cause dissatisfaction among many users.

Of course, such huge frames at the end of 2018 are somewhat upsetting, this moment somewhat brightens up the quality of the matrix. The display is really good, it has excellent color reproduction, a decent margin of brightness and contrast, excellent viewing angles with no color inversion.

Moreover, the matrix is ​​able to recognize up to ten simultaneous touches, it works on all touches clearly, and this to some extent confirms my statement that the Teclast M20 is equipped with a high-quality matrix.

The back cover of the tablet is made of aluminum alloy, on the ends it has machined, shiny chamfers. There are two plastic inserts at the top. On one of the inserts there is a window for the main 5 MP camera, the second insert has icons depicting a charging cable and headphones.

This insert is removable, under it there is a slot for installing microSD memory cards, two slots for SIM cards, microSIM format (both capable of operating in the LTE band), and a GPS antenna contact group.

The antenna is glued on the inner surface of the removable cover.

On the left side there are icons that display «+», «-«, «power», «reset».

The metal base is printed with the company logo, model name, serial number of the device and requirements for the power adapter. At the bottom is a microphone icon.

On the right side there is a volume rocker, an on / off button and a hole behind which there is a reset button and slots for the speaker.

There is practically nothing on the left side, only slots for the speaker.

At the top, there is a port for connecting a microUSB charger and a standard 3.5mm jack.

The bottom surface is clean.

In general, the tablet looks stylish. Its dimensions are 240x170x10 mm.

Hardware and performance

The work of the tablet is based on a rather ancient, but at the same time powerful processor, built on 20 nm. process technology, MediaTek Helio X23, which includes 2xCortex-A72 cores clocked at 2300 MHz, 4xCortex-A53 clocked at 2000 MHz, 4xCortex-A53 clocked at 1400 MHz. The quad-core GPU Mali-T880 MP4 with a clock frequency of 780 MHz is responsible for the graphics. The tablet is equipped with 4GB LPDDR3 RAM clocked at 800MHz, and 64GB eMMC 5.1 ROM.

More accurate information about the technical characteristics of the tablet can be obtained by specialized applications.

Surprisingly, the tablet does not have a single sensor, with the exception of the accelerometer, which is simply necessary in modern games.

The overall performance of the system is evaluated in a number of the most common synthetic benchmarks.

Nothing surprising happened here. Performance indicators are average. Most of the devices operating on a similar configuration have similar indicators.

The configuration of the device is somewhat old, but this does not prevent the tablet from coping with most modern games. As a test, I ran several fairly demanding games, with the graphics settings set to medium (PUBG) or maximum (WOT) settings, while the tablet allowed for a fairly pleasant gaming experience. The number of FPS was in the comfort zone, no obvious slowdowns were noticed.

Teclast M20 is equipped with two slots for sim-cards, each of which is capable of operating in 4G modem mode. If we talk about the list of supported frequencies, then it is as follows:

2G: GSM 850/900/1800/1900MHz

CDMA: CDMA800BC0

3G: WCDMA B1 2100MHz, WCDMA B2 1900MHz, WCDMA B5 850MHz, WCDMA B8 900MHz

TD-SCDMA: TD-SCDMA B34/B39

4G: B1 2100MHz,B2 1900MHz,B3 1800MHz,B5 850MHz,B8 900MHz,TDD B38 2600MHz,TDD B39 1900MHz,TDD B40 2300MHz,TDD B41 2500MHz

This statement is confirmed by the data obtained from the service settings of the tablet. It is somewhat disappointing that the tablet does not support Band 20 (FDD 800), which is mainly used in sparsely populated areas and on the outskirts of cities.

It should be noted that the tablet is equipped with a sufficiently high-quality microphone and stereo speakers, which allow you to comfortably communicate in Skype, but this model is definitely not suitable as the main device for making calls.

The tablet has support for dual-band WiFi 2.4 GHz / 5.0 GHz (WiFi: 802.11b / g / n), the quality of which is also hard to find fault with. Signal reception is at a decent level. To assess the quality of the work of this module, a number of tests were carried out, in which the following situation was modulated:

  1. Close proximity to the router;
  2. The router is located at a distance of 5 meters behind the gas silicate wall;
  3. The router is located at a distance of 12 meters behind a gas silicate and brick wall.

The first test shows how the signal level changes in different cases when using the 2.4 GHz band.

When using the 5.0 GHz band.

The second test shows how the Internet connection speed changes under similar conditions using the 2.4 GHz band.

Using the 5.0 GHz band.

The GPS module is responsible for positioning on the ground, which quickly determines the coordinates. Cold start is over in seconds. Coordinates are determined in about 25-30 seconds.

Moreover, the device boasts GLONASS support.

In general, there are no complaints about the operation of the hardware of the device.

Software

Teclast M20 is running Android 8.0 (some stores in the product description say that the default OS is Android 7.0).

If we talk about the software shell, the interface has not changed much. The tablet uses a standard launcher, standard icons. To be honest, I didn’t even find what changes the manufacturer made to the shell, and as for me, this is good. The user is given the opportunity to independently select a launcher at his own discretion, if he needs it.

The localization of the interface is carried out at a decent level. There were several sections that remained in English, but they are few.

There are no questions about the speed and smoothness of the interface. The SoC configuration may not be the first freshness, but the hardware installed in the tablet is very powerful.

Camera

She is. And there are even two of them. Front, 2.0 MP., And main, 5.0 MP. Can you shoot on them? Of course you can, but it’s better not to show the photos to anyone.

In fact, the main purpose of the cameras in this tablet is video chat. The cameras cope with this task quite well, but you should definitely not expect more from them. Photos taken with both cameras are of average quality, with a lot of noise, and this is in good light. In conditions of insufficient visibility, the quality of images drops even more.

I think comments are unnecessary here.

autonomy

The battery is responsible for the autonomy of the device, the capacity of which is 6600 mAh. The declared characteristic can be easily checked using a USB tester.

The readings obtained during testing differ slightly from the officially declared characteristic. This difference can be easily attributed to measurement error.

Such battery capacity is enough to continuously watch 8 hours of videos, which is three or four films without recharging, or several hours of continuous gaming on the tablet.

By and large, the battery capacity is enough to get through a working day without recharging the device.

Separately, I would like to mention that at rest Teclast M20 consumes almost no energy. In general, the autonomy of the Teclast M20 is all right.

Advantages
  • Build quality;
  • High-quality display;
  • Work in a 4G network (LTE);
  • Sufficient amount of RAM and built-in memory;
  • Support for two SIM cards and a memory card;
  • Battery life;
  • Overall system performance;
  • The presence of a theme on w3bsit3-dns.com with regular firmware updates;
Flaws
  • Somewhat outdated SoC configuration;
  • Large bezels around the display;
  • Lack of light and proximity sensors;
  • No camera.

Conclusion

The Teclast M20 tablet has quite a few shortcomings, and each of them is significant, even taking into account the fact that almost all Chinese third-tier tablets have similar shortcomings. The tablet also has a lot of advantages. Excellent autonomy and a beautiful display, coupled with good build quality and simultaneous support for two SIM cards and a memory card, distinguish this device from competitors. This should also include a decent autonomy of the device. In general, you can’t call a bad tablet, rather the opposite.

Official store on AliExpress

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