When we want to buy a new Android phone or an iPhone, we almost always look only at the number of cameras that the smartphone may have or the battery capacity, leaving important features aside. One of these that is little known, but very relevant is the one that indicates that the mobile It has a screen of 120Hz, 90Hz or 60Hz. What do these combination of letters and numbers mean, and why do I need to know? Here we detail it.
In the publications of mobile brands on their official social networks, it is normal to see images where the 120 Hz feature stands out. The same thing happens when we enter to see their specifications on the web pages that offer devices.
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What does 120Hz or 90Hz mean?
In this sense, you should know that this feature is related to the refresh rate or frequency of the phone’s screen. Through it, the ability of a screen to update the number of images displayed per second is defined.
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The Hz are the frequency unit of the international system of units. In this way, it is used to calculate the number of cycles that a machine or technological component is capable of performing in one second.
Therefore, it can be noted that the refresh rate it contemplates that the identical images that are re-displayed per second. A higher frequency of this value is synonymous with a better image and its performance in both applications and games, even in the way the screen is viewed.
That a phone has a screen of 120Hz, 90Hz or 60Hz It depends on the integrated processor and RAM memory. Today, only the most powerful chipsets in Qualcomm and MediaTek They have support for 120 Hz displays.
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Which phones have 120Hz screens?
Currently, 120 Hz screens are an almost exclusive feature of gaming and high-end mobiles from brands such as Samsung, Xiaomi and Apple.
- Xiaomi: Xiaomi 12, Black Shark 3S, Mi 10 Ultra, Poco X3, Mi 10T Lite, Xiaomi Mi 11, Xiaomi Mi 11 Pro, Xiaomi Mi 11 Ultra, Poco X3 GT and MIX 4.
- Samsung: Galaxy S22 Ultra, Galaxy S22+, Galaxy S22, Galaxy Z Fold 3, Galaxy Z Flip 3, Galaxy S21, Galaxy S21+, Galaxy S21 Ultra, Galaxy Z Fold 2, Galaxy S20, Galaxy S20+, Galaxy S20 Ultra, Galaxy Note 20 Ultra, Galaxy S20 FE and Galaxy A52 5G.
- Manzana: iPhone 13 Pro and iPhone 13 Pro Max.
- Huawei: Huawei Nova 8 Pro and Huawei P50 Pro
- Realme: Realme X7 Pro, Realme 7 5G and Realme GT 5G
- Motorola: Motorola Edge 20, or G40 Fusion and Moto G60.
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Why should you put your smartphone in ‘airplane mode’ during flights?
Nikita Schmidt, who works as a pilot in a private company, revealed the real reasons why passengers have to put their smartphones in airplane mode on a mandatory basis.
“You have probably heard a very annoying sound coming from the audio system that occasionally occurs when a cell phone is nearby. The radio emission of a smartphone can be very strong, up to 8W”, added the pilot.
According to the publication, if several passengers begin to use their smartphones inconsiderately inside the plane, a very annoying noise begins to be heard on the radio that annoys the pilots and air traffic controllers.
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How to clean the speakers of your smartphone if water fell on them?
One of the most serious problems that can happen with a smartphone —as with any other device— is the presence of liquids like water inside it. Although there are cases in which the damage is already irreparable, many others can be solved by something as simple as software from the Android store.
Can an app clean the water in your mobile Android or iPhone? The answer is it depends and it varies according to the result we want to obtain. One of the most common damages caused by liquids in smartphones is the malfunction of the speakers.
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Why is it not suitable to charge your smartphone in your bed?
The smartphone is an important element today, as many people use it to communicate with family and friends; In addition, it can also become a platform to view multimedia content or even send emails or other tasks. However, this also generates bad habits in users who do not part with their phone.
Being a modern device, it accompanies us at all times, even when we sleep. For this reason, people often make the mistake of charging the smartphone on the bed, without knowing the danger to which they are exposing themselves.
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The mobile apps that alert you to an earthquake seconds before it happens
Peru is a highly seismic country due to its location on the western edge of the region, therefore, it is necessary to be attentive to any possible tremor or earthquake happen and take all due precautions. An essential element that everyone should have at home is a emergency backpack.
Additionally, if we have a smartphone or iPhone, we can download apps that alert seconds before the users about an earthquake. These tools not only allow these natural disasters to be seen in real time, but also warn about the epicenter and the possible aftershocks that are going to happen.
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How to send a free SMS from your computer?
A few years ago, there were pages that allowed you to send text messages to your friends for free; however, those websites ended up disappearing after it arrived WhatsApp, FacebookMessenger, among other instant messaging apps. Can you still send an SMS from your computer? The answer is positive.
If you have an Android smartphone, you should know that the application google messages (which comes pre-installed on most phones) has a desktop version that you can use freely, no matter if you’ve run out of credit. Using this platform (which is very similar to WhatsApp Web) is quite easy, you just have to follow these steps: