How to fix a Samsung Galaxy S9 Plus that is overheating after installing a new update (easy steps)

Many factors can trigger a device to heat up or become excessively hot. In normal circumstances particularly in smartphones, a device can get warmer when the processor is exhausted from multitasking and continuous loading of heavy apps and services. It’s therefore normal for mobile devices like smartphones to heat up and get warmer with prolonged or extensive usage. The same thing happens while charging your device. However if the symptom is getting unusual or the heat is no longer bearable, then that already requires prompt attention. The most common trigger of smartphone overheating is a faulty update. If fact, you’ll find a number of relevant complaints raised online by smartphone users, following the release of major firmware updates. The problem can occur to any device even the new ones. Read on to find out what to do if ever you will end up having the same overheating problem on your Samsung Galaxy S9 Plus after installing a new firmware update. These subsequent workarounds might be able to help you out.

Before going further, if you found this post because you were trying to find a solution to your problem, then try to visit our Galaxy S9 Plus troubleshooting page as we’ve already addressed most of the commonly reported issues with the phone. We’ve already provided solutions to some of the problems reported by our readers so try to find issues that are similar with yours and use the solutions we suggested. If they don’t work for you and if you need further assistance, fill up our Android issues questionnaire and hit submit.

What you should if your Galaxy S9 Plus is overheating

Before you begin to troubleshoot, try to put your Samsung S9 Plus in safe mode so that you’ll know if the overheating problem is triggered by some third-party apps or not. If your phone doesn’t overheat while in safe mode, then bad apps are to blame. This means you will need to remove the bad apps first. More often than not, it’s likely the most recent app you’ve downloaded after the new firmware was installed. If your phone still overheats while in safe mode, then move on and troubleshoot software problems with these walkthroughs.

First solution: Force your phone to quit and restart (soft reset).

Performing a soft reset is often the key to fixing minor software errors including symptoms that instigate after a new update is installed on the device. The update might be too complex if not containing minor glitches that trigger the processor to work relentlessly. More often than not, these issues are rectifiable by a soft reset or reboot. So it won’t hurt to try it first. Here’s how a soft reset is done on your Samsung S9 Plus:

  1. Press and hold the Power and Volume Down buttons simultaneously for up to 45 seconds.
  2. Release both buttons when the Samsung logo appears.

Wait until the phone boots up completely then test your device to see if it’s still overheating or not anymore.

Second solution: Quit background apps.

Quitting background apps not only saves you power but also give the processor some rest. While background apps are in idle or standby mode, they’re still running continuously and that denotes more work for the processor to carry out.

  1. Touch and hold the Recent apps key at the bottom left corner of your phone. Doing so will open the recent apps previews.
  2. Swipe individual apps to the right to close them.
  3. Alternatively, tap the X to close the app.
  4. If you have multiple apps running in the background, tap the option to CLOSE ALL.

After closing the background apps, restart your phone to apply the recent changes. See if that fixes the problem.

Third solution: Update apps on your Samsung S9 Plus.

There may be some apps that needed updates to blend well with the latest firmware version installed on your phone. Unless you’ve set your device to auto-install updates for apps, you’ll need to manually do so. Here’s how:

  1. Open the Apps screen by swiping on an empty spot from the Home screen.
  2. Tap Play Store.
  3. Navigate to Menu-> My Apps.
  4. See if there are available updates for your apps.
  5. Tap Update next to individual apps to install new update for each app.
  6. If you see multiple updates, tap the option to Update All apps with updates available at once.

To complete the process, perform a soft reset or reboot your phone.

Fourth solution: Reset settings on your Samsung S9 Plus.

Software updates can also alter your phone settings automatically. If this is what happens in your case, it’s possible that the changes were altered in a way that triggers your device processor to continuously working. To rule this out, you an try to reset all settings and re-configure necessary options with these steps:

  1. Swipe up on an empty spot from the Home screen to open the Apps tray.
  2. Tap Settings.
  3. Tap General Management.
  4. Scroll to and tap Reset.
  5. Select the option to RESET SETTINGS.
  6. Tap Reset Settings.
  7. If prompted, enter your device PIN or password.
  8. Tap Reset Settings again to confirm action.

Your phone reboots when the reset is finished. Wait until it boots up completely then continue setting up your device for you to use it again.

Other options to consider if needed

Master reset/factory data reset. A master reset can likewise be regarded among other options to consider if the problem persists or your Samsung Galaxy S9 Plus is still overheating after performing the previous workarounds. There might be some more complex system errors that needed more advanced solutions like a full system reset or master reset. Not only that a master reset clears up invalid settings, it also wipes out tough bugs dwelling in and inflicting intricate errors on the phone’s charging system. You can carry out a master reset through the Galaxy S9 Plus settings menu.

  • To do so, open the Apps tray then tap Settings-> General Management-> Reset-> Factory data reset. Scroll down to the bottom of the screen then tap the option to RESET-> DELETE ALL-> then CONFIRM. If prompted, enter your credentials to unlock screen and/or verify your Samsung account.

Just wait until your phone instigates and completes the master reset. When the reset is finished, your device will reboot. After it boots up, all settings are restored to their factory default values. This means you will need to set up your Wi-Fi networks and enable necessary features you want to use again on your phone.

Contact your carrier or Samsung Support. You can always reach out to Samsung Support to escalate the problem for further assistance and recommendations. Or you may likewise report the issue to your carrier so they can note and include it among the post-update issues from the most recent firmware update released. Typically, a follow-up update will be issued to offer the required fix patches.

Repair options. If none from the software aspects is able to offer a resolution and that your Samsung Galaxy S9 Plus is still overheating, then you can have it further diagnosed by a Samsung technician to ensure safety. Should there be any damaged components like a bad battery perhaps, then that should be taken care of at the service center.

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