Solution for SAMSUNG GALAXY A21 high temperature issues or getting hot. Some users have troubles with overheat problems when using this phone. We have to know that this phone has several hardware that can create some heat when running like Mediatek processor, battery, screen and some other more. We will give more information about how to make SAMSUNG GALAXY A21 cooler or avoid overheating.


Why SAMSUNG GALAXY A21 Body Become Hot ?

One important hardware that work for all process is processor. This phone use Mediatek MT6765 Helio P35 processor that has Octa Core CPU. All CPU will work depend on how many applications running, it will release some heat energy. If this processor run more harder, then this phone will generate more hot temperature. Many users does not aware about how many applications run in the background, because we only see one apps on the screen. Some applications has multitasking performance, they still wait in the background as long as users do not press exit or close.

New smartphone will have fast charging technology. It is also happen on SAMSUNG GALAXY A21 that has fast charging 15W. Therefore the charging process will create more hot temperature then non fast charging performance. We always suggest for stop working while charging our phone.

When charging process running, the battery temperature will be increase and sometime become hot. If we run some applications, then processor temperature also will be increase. Therefore our SAMSUNG GALAXY A21 will get overheat from several causes, some case will blow up our phone or the battery life time become shorter.


There are other causes that can make our SAMSUNG GALAXY A21 temperature become more hot such as the weather, non standard power charger adapter, applications bugs, and low signal problems.

solution to fix overheat issues on samsung galaxy a21

How to Fix Overheat / Hot Temperature Issues On SAMSUNG GALAXY A21 ?

After we know some causes that make our SAMSUNG GALAXY A21 body become warmer or hotter, then we should do some procedures to make this phone work with normal temperature:

  1. Uninstall some not use Applications will help SAMSUNG GALAXY A21 processor performance
  2. We have to always close all not use applications, because they will keep on in the background and still use processor and RAM resources
  3. Please do not use our phone while charging for safety reasons
  4. Do not use our phone at direct sunlight location for reduce temperature problems
  5. Make sure we are at good signal coverage location, otherwise our phone will keep searching the signal and our phone become hotter
  6. Keep our phone always update with the latest Android firmware version software upgrade
  7. Always use original charger and usb cable


How to Solve SAMSUNG GALAXY A21 Device is Overheating Warning Message?

Samsung has its own protection to avoid hardware damage because of overheating or too hot. When the temperature reach limit number, then the warming will show that our Samsung Galaxy Devices is Overheating and will be close all applications until our phone become cools down. Actually this warning is very important for us. If this problems happen, we can wait until our device temperature is not too hot.

However, some users get this warning although SAMSUNG GALAXY A21 body is not hot. Usually this problems happen because operating system bugs. Please try to update with latest version to fix false overheat warning issues.


If SAMSUNG GALAXY A21 temperature is too high, then we suggest to turn off for several minutes until the temperature decrease. After that, we can try to turn it on again and find out the problems or remove some not use applications. If overheat problems still happen on our SAMSUNG GALAXY A21, then please backup all important data and follow this steps to hard reset or reformat SAMSUNG GALAXY A21 for make it work normally again from beginning state.