The purchase of a tablet can cloud hisfast breakage or a defect found at home. In order not to start hiking through the service centers, a few days after the start of use, you should carefully check it when purchasing.

Of course, this is a complex technical device, full testing of which takes more than one hour, but the main indicators of its performance can be determined in 20-30 minutes.

Packing and equipment

The first thing you should pay attention to whenbuying a tablet, is not he, but packaging and bundling. Ideally, the seller should bring the device from the warehouse, and unpacking and the first launch in the presence of the buyer. This is not spelled out in the laws, but if it does, then you can be sure that this device is really new.

This will also be indicated by the availability of a guarantee coupon frommanufacturer, and not from the service center at the store. It should be checked for "extra entries". The marks on factory restoration, re-glued labels with serial numbers, and even more so records about the previous sale can only testify that this tablet has already returned to the manufacturer or visited the service center.

Serial numbers of the tablet must match:

  • on the device;
  • in the warranty card (passport);
  • on the package.

It is also necessary to inspect the box for an itemdetection of dents, scuffs, scratches or swelling from moisture. Their presence indicates that the product may have been dropped or subjected to other physical influences during loading and unloading.

Choosing a model of a particular tablet, you needTo specify on a site of the manufacturer its final complete set. If it does not match the store, you should think about the authenticity of the device or the unfair work of store employees.

Appearance and performance

Before you turn on the tablet, it is recommended to inspect it. Caution should:

  • chips;
  • scratches;
  • attrition;
  • backlash play, control buttons and plugs (in the charging and headphone jacks).

However, the latter can be a "common disease" of a specific model range.

The display must be covered with an original protective film. If it is replaced by another (albeit more expensive), then it is likely that the sellers tried to hide the scratches.

It is also desirable to test the performance of all the main devices of the tablet computer, namely:

  • module Bluetooth - try to transfer the file;
  • module WiFi - try to discover any network;
  • module 3G (GSM) - insert SIM-card and make a call;
  • dynamics - to play a melody;
  • microphone - record;
  • camera - take a few photos;
  • response of the display - try to type a message;
  • headphone jack - connect headphones and play a melody;
  • charging connector - connect the charger;
  • USB - connect the device to the computer.

Tests (Android OS)

For more detailed verification of the tablet, it is desirable to immediately try to connect to the Internet, enter the Market and install several applications for testing. So:

  • Android System Info will show all the basic information about the tablet;
  • Dead Pixel Test will reveal the broken pixels;
  • Multitouch Test will give an idea of ​​how many touches are recognized by the display;
  • AnTuTu Benchmark will test performance;
  • AndroSensor will quickly check the performance of all sensors;
  • Nova Battery Tester will evaluate the battery capacity and its "freshness".
  • Dr.Web will check the tablet for viruses.
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