How to fix Samsung Galaxy Note 8 heat up so fast

heat up so fast

This article will help to learn how to fix Samsung Galaxy Note 8 heat up so fast. Normally mobile devices heat up after extensive usage. They also heat us when multiple complex apps are running simultaneously  while charging the device. Overheating is caused by other issues in Android devices whether mid-range or high-end variants.

Beside the fact of a prolong extensive usage, observe what other factors can cause the smartphones to overheat. Now before going to proceed, if you are looking for a solution to a different problem, visit our Note 8 troubleshooting page. There are some of the most common issues with this device. Browse the page to find the solution of similar issues.

What causes Galaxy Note 8 to become extremely hot?

Mostly overheating issues in smartphones are linked with a bad battery. But more often a faulty app or software glitch are main causes behind it. Some cases of overheating issues with Samsung’s Galaxy Note are apparently due to hardware. But fortunately, it is not in the case of Galaxy Note 8.

Faulty updates and some third-party apps may be another reason of this error. While in some cases, Samsung Galaxy Note 8 becomes extremely hot when enabling Bluetooth and Wi-Fi features.

Mostly, an alert appears when the device become extremely hot. And thus allow it to cool down before using it again. In some cases the device shows a frozen or unresponsive display.



A faulty SD card may be a reason of this error. Perhaps, some segments or contents in the SD card are corrupt. This forces the processor to work continuously. Eventually it will make the device  extremely hot.

Another factor causing overheating problems in smartphones, is environment. For example, charging or using your device at extremely hot place can eventually warm up faster than usual. Rapid battery draining would usually occur in this case.

The worst among the possible causes is hardware damage. Particularly a bad battery, processor, or other relevant components. If so, then send the device to professional to diagnose the issue as soon as possible.

 The solution depends upon the cause to become the device extremely hot or overheat. Following are recommended and potential solutions to fix overheating problem on the Samsung Galaxy Note 8. These solutions are software-related. These methods will not give positive outputs with a damaged component as the main culprit.

First solution: Boot into Safe Mode and diagnose apps

to fix Samsung Galaxy Note 8 heat up so fast

Booting in safe mode will help to diagnose apps and determine whether the overheating problem is caused by third-party apps and services. All third-party apps are temporarily disable in this mode. If Galaxy Note 8 does not overheat in safe mode, it means that any  third-party apps installed is causing the problem. If you remember which of these apps is inflicting the problem, then delete it. Mostly, the most recent app installed is faulty. You can try uninstalling suspected apps individually and then check the device. Follow these steps to boot Galaxy Note 8 into safe mode:

  • Press and hold the Power button .
  • When “Samsung Galaxy S7 EDGE” appear on the screen, release the Power Key.
  • Hold immediately the Volume Down Key.
  • Continue holding the Volume Down Button until the device finishes rebooting.
  • Release it, when the text”Safe Maode”  appears in the bottom left corner of the screen.

 

This picture shows Safe Mode. How to fix Samsung Galaxy Note 8 heat up so fast

The purpose of Safe Mode is actually to find out that your device can boot up successfully. And if so, then boot it in Normal Mode. If it does not make any difference, boot it in Safe Mode again. At this stage find bad apps that are causing  error.

Second solution: Wipe cache partition through Recovery Mode.

to fix Samsung Galaxy Note 8 heat up so fast

Wiping Cache helps to eliminate any software problem which is caused by corrupted files and data stored in it. Wiping Cache does not erase personal data as Factory Reset do. It erases all system Cache files including corrupted files. 

To be on safe side, have a back up of your data stored in internal memory. Then proceed with these steps:

  • Turn OFF the device.
  • Press and hold the Volume Up and the Bixby buttons.
  • Then press and hold the Power button.
  • When green Android logo appears on the screen, release all buttons. A prompt showing “Installing system update” for about 30 seconds or so before showing the Android System Recovery Menu.
  • When  Android system recovery menu appears, press the Volume Down button several times to highlight the “Wipe Cache Partition”.
  • Then press the Power button to confirm selection.
  •  Highlight the option “yes” by pressing Volume Down button several times.
  • Press the Power button to confirm selection.Wait until the wipe cache partition is complete.
  • When it’s finished, the “Reboot system now” option is highlighted.
  • Start Reboot by pressing power button.

Observe the device to see if the issue is resolved or not. If problem is still there, go to the next possible solution.

Third solution: Install the latest Android software version.

Besides tuning up the device, software updates can remove bugs and run the device smoothly. Thus, if overheating problem arises  because of some bugs in certain apps or device system itself. An update can rectify the glitch. If you don’t have any, check available software update for your device then install it. Follow the steps below:

  • Navigate to Apps.
  • Select “Settings”.
  • Tap “Search” and then search for and select “System updates”.
  • Select the option to Download updates manually.
  • If a system update is available, download and install the update then follow the onscreen instructions to complete the process.

Fourth solution: Factory reset

 to fix Samsung Galaxy Note 8 heat up so fast

If the issue of overheating is still there, then last possible solution is to do a Factory Reset. It is possible that the problem is caused by some complicated bugs which require a complete Reset.But keep in mind that all personal information and critical data will be erased from Samsung Galaxy in this process. Before going to proceed, have a backup of your device data. Follow these steps to perform a Factory Reset on Galaxy Note 8 through settings:

  • From the Home screen swipe up on an empty spot to open the Apps tray.
  • Select “Settings”.
  • Then select “Cloud and accounts”.
  • Tap “Backup and Restore”.
  • Scroll the slider to turn “Back up my data” option ON or OFF.
  • Tap the slider to turn “Restore” option on or off.
  • Press “back” button to go back to Settings menu.
  • Select “General Management”.
  • Press “Reset”.
  • Select “Factory data reset” from the given options.
  • Tap Reset.
  • If prompted, enter your credentials to unlock your device then tap Continue.
  • To confirm factory reset, tap Delete All
  • Wait until the Reset is complete then proceed with the initial setup.

Alternate solution:

to fix Samsung Galaxy Note 8 heat up so fast

Use these steps to perform a Master Reset on your Galaxy Note 8. Consider this option if your device overheats then becomes unresponsive. Follow the given steps:

  • Power off your device.
  • Press and hold the Volume Up and the Bixby button, then press the Power button.
  • Wait until the green Android logo displays then release all buttons.
  • ” Installing system update screen” appears for some seconds. Then Android system recovery menu options will show up next.
  • Press the Volume Down button several times to highlight the “Wipe data/Factory Reset” option. Press the Power button to confirm selection.
  • Highlight ” Yes–delete all user data” option by pressing Volume down button then press the Power button to confirm selection.
  • Wait until the factory reset is complete, highlight “Reboot system now” .
  • Press the Power button to restart your device.

After Reset, observe if your Galaxy Note 8 still overheats with normal usage. If not, it means problem is fix, otherwise you consider other options particularly hardware troubleshooting.

Other helpful suggestions

to fix Samsung Galaxy Note 8 heat up so fast

  • Do not use multiple complex apps at a time. Doing so will give the processor more workloads to carry out simultaneously. Just like a computer’s CPU, smartphone chips can also become exhausted after carrying out too much tasks at a time. Eventually the phone gets extremely hot as the processor continuously works.
  • Avoid to place the device in a hot area while charging. The device normally gets warm when charging. And becomes even extremely warm when the ambient is too hot.
  • Always use only the OEM charger or adapter when charging. Unbranded chargers may not be compatible with your Galaxy Note 8. It may cause the device to overheat while charging.

Troubleshoot/Fix hardware problems

If all these steps are fail to fix Samsung Galaxy Note 8 heat up so fast. And Samsung Galaxy Note 8 is still overheating, then it’s a hardware issue. In this case, the best option is to take the device to an authorized service center for hardware assessment and/or repair. 

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