Solution for SAMSUNG GALAXY S21 high temperature issues or getting hot. As we know that this is flagship smartphone that work with high-end specifications. However, after use for several period, many users get overheat problems. We will give more information about how to make SAMSUNG GALAXY S21 cooler or how to avoid overheating.


Why SAMSUNG GALAXY S21 Body Become Hot ?

First of all we have to know that Android smartphone is a small mini computer. It has processor, GPU, RAM, Storage, screen, sensor and battery. The most common problems that causes the overheat is processor issues. This phone work with Exynos 2100 or Qualcomm SM8350 Snapdragon 888 for running any applications and gaming.

Some applications will run continuously in the background, some of them also will use Internet connections. If many applications run together, then our SAMSUNG GALAXY S21 temperature will be increase. If some other issues that causes hot temperature such as connection issues, then SAMSUNG GALAXY S21 body will become overheat.

SAMSUNG GALAXY S21 hot issues also can be happen because some users use their phone while recharge. This phone work with Fast charging 25W technology. Please note, when using specific power adapter that support for this fast charging, then the battery temperature will increase.


We always suggest for stop working while charging our phone. Otherwise, the heat from charging will be work together with other heat sources such as processor and connection, then our SAMSUNG GALAXY S21 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 S21 temperature become more hot such as the weather, non standard power charger adapter, applications bugs, and low signal problems.

how to  fix overheat temperature issues on samsung galaxy s21

How to Fix Overheat / Hot Temperature Issues On SAMSUNG GALAXY S21 ?

After we know some causes that make our SAMSUNG GALAXY S21 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 S21 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. Very bright LCD screen brightness will create more temperature issues
  7. Keep our phone always update with the latest Android firmware version software upgrade
  8. Always use original charger and usb cable


How to Solve SAMSUNG GALAXY S21 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, just wait until our device temperature is not too.

However, some users get this warning although SAMSUNG GALAXY S21 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 S21 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 S21, then please backup all important data and follow this steps to hard reset or reformat SAMSUNG GALAXY S21 for make it work normally again from beginning state.