The presence of a smartphone has long been a necessary attribute of a modern person's life. Before leaving the house, it is already customary to check the presence of this gadget in your pocket or purse, along with your keys and wallet.
Autonomy
The time that a smartphone is able to operate on battery power without recharging. How long the battery can hold a charge is influenced by many factors, such as the diagonal of the screen, the brightness of the backlight, the number of running applications, the presence of several active SIM cards and connected 3G. In order for the battery with the remainder to last for one or two days, the battery capacity must be 3000-4000 mAh.
Screen manufacturing technology
This characteristic of the screen significantly affects the price of the device itself and the quality of the picture that the smartphone display is able to demonstrate. Most budget models are equipped with a TFT matrix. Inexpensive price in the literal sense of the word will be visible to the eye. Small viewing angles, as a result of which, when the device is tilted, the picture on the display can change color or become inconspicuous. It is quite a different matter with the matrix made using IPS technology. Large viewing angles, natural color reproduction and picture depth make this screen comfortable for reading books and watching movies.
Screen resolution
Everything is simple here, the bigger it is, the better. The resolution of 1280 * 720 can be considered optimal for smartphones with a 5 "screen and 1920 * 1080 for displays of 5.5" and higher.
Screen Protector
Increasingly, manufacturers are equipping the screens of their mobile devices with a protective coating. It protects the display surface from scratches and abrasions, allows the user to save money on the purchase of a protective film. Do not hope that when the smartphone falls, such a coating will ensure the safety of the entire matrix, but it will cope 100% with its intended purpose.
RAM
For the quick launch of applications, drawing icons in the gallery or file manager, as well as for the speed of transition between screens and the overall performance of the operating system itself as a whole, it is the RAM that is responsible. For surfing the Internet, small games, making calls, reading books and listening to music, the size of RAM (RAM) in 1-2 Gb will be optimal for everyday tasks and comfortable operation of the smartphone without brakes and freezes. In cases where the gadget is planned to be used for new, resource-intensive games, when buying, you need to pay attention to smartphones with 2-4 Gb of RAM on board.