What comes inside a smartphone? Complete guide

You can confess, you've been reading cell phone reviews just to access the camera section and you don't understand anything about what comes inside a smartphone, right?

This is more common than you think. Despite being the most widely used electronic device in the world, few know what comes inside a smartphone.

The problem is that by looking at just part of an analysis, you may end up buying a bad smartphone that meets only one of your criteria. Even with excellent cameras, low processing or storage capacity can ruin your experience and give you the impression that you bought something that was not worth your money.

Here at AppTuts, we've talked a lot about smartphones like Apple's iPhone line and the various Android phones from various brands, like Motorola, Xiaomi and Samsung. Comparisons like Xiaomi vs iPhone or iPhone 11 Pro vs Google Pixel 4 are also common here.

So far we have not fully explained what each of these criteria meant, but we intend to fix that in this article. So know what comes inside a smartphone in the full guide below!

Display

The first thing you see before you even know what comes inside a smartphone is your screen. So that's fairer than starting with her. Cell phone screens work similarly to televisions and computers. There are currently two main types of display.

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Despite being out of use, LCD screens still make up a large part of the display of cheap or intermediate phones. They are characterized by lighting behind the screen.

That is, the liquid crystal of the screen handles only the display of these lights, using combinations for the millions of colors that can be displayed on a smartphone.

LED

Unlike the LCD, the illumination of the LED screens is made in the liquid crystal of the screen itself, through diodes that generate light and thus display the pixels of what is watching on the display.

It is important to mention that, because of this advance, LED displays usually cost the price of the device.

How to differentiate LCD from LED

The information about the type of screen a mobile phone carries is in its technical specifications.

Still, if in doubt, do the following test. Open an image of your phone and look at its black area. If it is bumpy and looks bright then you have an LCD screen.

If it has a grayish but dark tone, then you have an LED display. Finally, if it is completely black, it means the screen of your AMOLED or Super AMOLED phone. This screen model is more expensive and is therefore present only in premium smartphones.

Moreover, one of the advantages of this type of display is that, as the black area of ​​the screen has pixels off, it saves the battery of your smartphone. Ideal for those who prefer to use night mode.

Drums

If you've had a cell phone in the past, you've probably gotten used to the idea of ​​removing the battery from the back of it. When mobile phones became smartphones, he found it odd that he could take more.

During the current decade, it has certainly gotten used to the new standard. But what caused this change?

Because of the change in the material of the batteries. In the past, battery cells were made of nickel and were prone to errors. If you ever had a mobile phone that was unloading out of nowhere or frequently changing the charge level, it was your fault. Now what comes inside a smartphone?

Current handsets come with lithium battery and ons. At first they were also removable. With the need to produce thinner smartphones, the notches that allowed the back cover to be removed are no longer part of the handset production.

cellphone battery

System on a chip, on the processor

One of the most common confusions when we talk about what comes inside a smartphone refers to the so-called "system on a chip" processor.

Although the use of the term is not exactly wrong, it limits understanding of what the piece really involves. The processors are part of SoC, the acronym used to define the "system on a chip", which can also be called a chipset.

But they are not the only ones. The graphics card, the LTE modem – which we'll talk about later – and the screen and video processors are also located on this part. That is, whenever you hear about Snapdragon, Apple A13 or Exynos processors, understand that they understand more than the processing power of a smartphone.

Whenever you buy a smartphone, be aware of the accompanying chipset. This information will tell you if the phone you want is capable of running any kind of game or application.

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Check below which are the best known manufacturers and which are the most current editions of their chipsets in January 2020.

LTE modem

In addition to the mobile data internet connection, the LTE modem takes care of the most basic function of a mobile phone: making and receiving calls and SMS messages. Each brand of “systems on a chip” has its own modem, which is also a component of that system.

The modem is responsible for all communication on your mobile phone. Connect to the internet, send and receive files, messages and calls and even emails and notifications from your apps that go online in the background.

Currently, the modem capable of supporting the highest connection speeds is the Cat. 9 LTE. However, before investing money in a mobile phone equipped with this modem, it is important to check with your carrier if your connection is able to make the most of it.

Cameras

Camera megapixels (MP) are not the most important parameter when evaluating what comes inside a smartphone. Although this number is still important, it's the sensors that can limit the quality of your photos.

The cameras you use to take photos with your smartphone are divided into three components.

The first is the aforementioned sensor. His role is to detect the ambient light when taking the picture. Some photography applications allow you to adjust some of the sensor settings to improve image quality. Typically, these changes are made by those who take professional photos.

Because of their smaller size compared to conventional cameras, smartphone sensors often do not deliver good pictures in low light environments. Some manufacturers like Apple have been trying to solve this issue, as we could see on the recent iPhone 11.

cellphone camera

The second component is the lens itself, where light passes through when taking the picture. Lastly, we have the image processor, an internal part of the smartphone that will show you the result of the photo you took. It is worth mentioning that this processor is also part of the chipset we mentioned earlier.

Other sensors

There is no shortage of sensors in smartphones. Everything you do with it depends on a sensor, especially those related to movement or touch. What comes inside a smartphone that is used to identify what's around you?

Check it out below:

Never read a review the same way again!

Now that you know what comes inside a smartphone, you won't read cell phone reviews any more. By understanding the role of each component and what they do, you have a better idea of ​​how a smartphone can fit into your routine.

Thus improving your criteria when choosing the next device you will purchase.

Understand what comes inside a smartphone? Got any questions about any of the components explained here? Comment with us so we can help you!