Today we will discuss the causes of overheating of smartphone and the ways to prevent this issue. The heating of a Smart Android Mobile Phone is a normal issue since every electronic device gets hot for various reasons. It is a property of an electronic device, and the mobile phone is also not an exception. Different electronic devices use various cooling parts for cooling purposes. For example, the use of a cooling fan in a computer, cooling water filter fan in the car, heat sinks in different circuits, etc. But no fan or cooler is used in mobile phones though silver heat sink is used on the IC or chip. 

Overheating of Smartphone

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Reasons for overheating of Smartphone: 

There are many opinions about the issue of smart mobile phones’ getting hot. Someone says- smart mobile phone gets hot when one talks too much on it. Some say, playing more games is the main reason for the overheating of a smart phone. Others say that a smart mobile phone gets hotter if one runs internet more on it. Smartphones are generally made for talking over, running the internet, playing games, recording or watching videos, etc. But you also shouldn’t think that smartphones won’t be hot. There may be many reasons why mobile phones get hot. Some of the special reasons are mentioned below. Knowing the reasons you can match it with your phone and understand whether there is a problem with the mobile phone or it is getting normally hot. 

1. Overloading mobile phone system:

Overloading of the system usually causes heating of any kind of mobile phone. For example, if you watch videos on the Internet, listen to music by streaming, talk more over the phone, and run multiple apps at once, then the mobile phone obviously will be hot. This is a normal issue as it happens on most of the phones. So, if your smartphone is in such a condition, you should refrain from running everything at once. When you put too much load on a smartphone, it consumes the charge of the phone battery more and also makes the phone hotter. 

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2. In case of the weak or low signal network:

Many of us live in such places where the network signal is very weak meaning the Wi-Fi signal is coming up to your smartphone with a lot of buffering. In this case, the battery charge of our smartphones will not last for a long time. In the case of low and weak network signals, our phones use more power on the Power Amplifier (PA) IC of the antenna on the mobile phone to get a good signal. Then the processor of the smartphone has to do a lot of work and that’s why the smartphone tends to get too hot.

3. Structure of the processor of the Smartphone:

There are many tiny electrons inside the processor of the mobile phone. Compared to talking over the phone or listening to music continuously for a long time, the speed of the electrons increases more if you download any large file from the internet. It generates more heat and the phone gets hotter. The processor sticks with the body of the phone which makes you feel hot. It happens normally on all phones. However, if it is hotter than usual and the smart mobile phone restarts, then there is any problem in the system software of the phone. In this case, you have to flash the phone or remove unnecessary apps.

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If the phone is overheated even after all of these, it should be assumed that any of the parts are short-circuited. That’s why it’s getting hot. And if the smartphone is overheated, the processor starts to be damaged and there is a decrease in the performance. Generally, for cooling purposes, processors reduce work performance by itself when it is too hot. If it occurs repeatedly, the processor is permanently damaged.

4. Excessive pressure on the processor:

One of the reasons why mobile phones get hot is the extra pressure on the processor. When we load or run more programs on computers or laptops, the cooling fans spin fast. Similarly, when smartphones have a lot of apps loaded on the processor, the process located at the top of the phone starts getting too hot. The first reason why smartphones get hotter is the overloaded condition of the processor or CPU.

5. Using the Internet in free mode:

Most of the time, we turn on the data or the Internet on our smartphones. As a result, the phone becomes hot. When the internet signal is very low then the phone gets very hot. Again, if the internet is turned on when there is no MB (Megabyte) in the data operator, the phone gets hotter. If we run free Facebook or turn on messenger on a free net, the phone starts to get hot. It also reduces the charge of the battery.

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6. Due to battery issues:

Your mobile will overheat if the Ampere of the battery reduces or there is any trouble with the battery. This requires testing the battery. Though the smartphones are getting thinner day by day, but the battery technology is not being developed that way. Weak batteries heat up easily, generate heat, and overheat the phone when the charger is connected or disconnected. 

7. Because of extra hot weather:

When the temperature rises, the mobile gets a little hot. In general, in the summer season, the temperature in Bangladesh rises to 30-40 degrees Celsius. And when we use the mobile phone at this room temperature, it heats up more quickly. It can be taken as normal, but we should know how much heat is endurable and how much is unendurable. 

Normal Temperature Range of Smartphone

Samsung Smart Mobile Phones and Apple Smart Mobile Phones remain hot almost all the time. When the mobile phone is working in normal conditions, it can be hot up to 30-45 degrees Celsius temperature. There are reasons for the iPhone and the Samsung mobile phone to get hot. This is normal. Phones can be hot for using heavy apps with low configuration updates or low network signal. That’s why normally cheaper phones get hotter because of their low configuration and less networking power. Yet phones from Samsung, Oppo, Xiaomi, Huawei, Apple, etc. all brands can be hot. But when your phone is in standby mode and the temperature is 35-55 degrees Celsius, then you should assume it as an issue. 

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Major Issues Created from Overheating of Smartphone

If the smartphones get too hot, some major problems arise, such as-

i) Android phones may restart repeatedly.

ii) Smartphones can be hanged.

iii) Mobile phones can be dead at once.

Ways to Prevent Overheating of Smartphone

We know that prevention is better than cure. So, we should take some preventive measures to save our phone from the overheating problem. It is not so complicated issue. We just need to follow some techniques to avoid the causes of the overheating of the mobile phone.

The preventive tricks are below: 

  1.    Auto animation should be turned off.
  2.    Heavy apps need to be removed. 
  3.    The configuration of the apps should be known before using them. 
  4.    Necessary apps should be used in their light versions. 
  5.    Phone display brightness shouldn’t be kept too high.
  6.    Intensive camera and internet use should be avoided.
  7.    Wi-Fi should be kept off when it’s not needed.
  8.    Heat absorbing covers should be used in smartphones. 
  9.    Mobile phones should be kept away from the sun or any kind of external heat.  

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  1. The software of the Android phone should always be kept updated. 
  2.    Any kind of auto-updates should be turned off. 
  3.    The automatic running of program apps or notifications must be kept off. 
  1.    The program should be used according to the phone configuration. 
  2.    It should be noticed whether an app is taking up more space in the background.   
  1.    The space occupied by the apps should be calculated.

What to do when the smartphone is too hot

I. Check the Issues

If your smartphone gets hot unusually, then you should identify the reason for the overheating of your phone first. Some of the identifying issues are as follows: 

a) You should check what task makes your phone overheated. 

b) You need to notice playing which games make your phone hotter. 

c) If it is too hot, you have to see if the mobile is hanging or not. 

d) You have to check whether any apps installation causes overheating of your phone.

e) You should notice whether there are overloading of apps compared to mobile configuration.

f) It is necessary to see whether the mobile is restarting due to excessive heat.

g) You have to observe the condition of the mobile network signal and internet speed also.

If one or more of the above-mentioned problems can be identified and solved then your phone won’t be overheated anymore. 

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Cooling system of smartphone

There is no specific software to keep the smartphone cool. However, if you use some light apps, your phone won’t be heavy or hanged and the phone will be less hot. Apps caches should also be cleared regularly. Moreover, you should refrain from turning on many unnecessary programs at the same time. You need to use good anti-virus software to protect your smartphone from the virus attacks. Because when the virus enters, the phone system starts to crash. And if a program is corrupted, the mobile phone gets hotter or tends to be hanged. 

Take Proper Steps against Overheating of Smartphone

When your phone is too hot, you can take the following steps to cool it:

  1.   Remove the case or cover of your phone.
  2.   Switch on the flight/airplane mood to disable all connectivity.
  3.   Move your phone from direct sunlight or hot environment.
  4.   Put your phone close to a fan. But don’t put it in a fridge, freezer or cooler.
  5. Reduce the display brightness to the lowest level.
  6. Turn on the battery saver mood.
  7. Clean up your phone to remove the junk files from it.
  8. Turn off Wi-Fi, Bluetooth and GPS.
  9. Scan your phone with anti-virus software.
  10. Don’t use your phone before it gets cooler if possible.

I think this discussion on overheating of smartphone will be beneficial to all because every person uses a mobile phone in this modern world. You can share if you have extra knowledge on this topic and feel free to make any query in the comment box. Contact us for any kind of assistance.