How to Fix Samsung Phone Keeps Restarting?

If your Samsung Samsung Galaxy S9/S8/S7 is faced with keeping restarting issue, you can refer to the guide to bring your Samsung device back to normal.

Author Avatar Joy Taylor Last Updated: Oct. 12, 2021

As an Android user, you may find it upset when your Android device is stuck in a boot loop. Similarly, it can be an annoying issue when you see your Samsung phone keeps restarting, keeps shutting off and restarting, restarts randomly and is hot. When those happen, questions such as “Why does Samsung Galaxy S7 keep restarting by itself?” and “What to do if Samsung phone keeps restarting?” might pop up in your mind. What’s worse, this error can frequently bother Samsung Galaxy S9/S8/S7 users.

Next, we will reveal the reasons why Samsung keeps restarting itself and how to fix a constantly rebooting/restarting samsung phone or tablet. You can try the following methods and stop your Samsung phone from restarting again and again.

My Samsung Keeps Restarting

My Samsung Keeps Restarting

Why Does My Samsung Phone Keep Restarting?

Why does my phone keep restarting? The common reasons for Samsung restarting automatically and keeping restarting can be divided into hardware issues and software issues.

If your Samsung device suffers from external violence, the phone’s hardware might be broken, which can further result in restarting issues. Hardware issues always refer to its electronic accessories errors including:

On the other hand, software issues are more difficult to be detected because it varies from models to models. Nevertheless, It can always result from the recent changes to your Samsung phones.

  • Device Rooting Errors. After a root, your Samsung device may take a risk of restarting at any time when you are chatting on the phone or messaging your friends. If this occurs, you are suggested to wipe the cache partition or unroot your Android device.
  • Software conflict. It appears when you have installed third-party applications that are not compatible with the Android operating system. Or, some user’s Samsung phone restarts over and over after update. Then you can try to delete the faulty apps, etc.
  • System apps are mistakenly disabled. It may cause the operating system to run false or slow.
  • Samsung keeps restarting and is hot, try to disable some apps that you don’t need now.

Fix 1. Fix Samsung Keeps Restarting with System Repair Tool

If your Samsung phone still keeps restarting after simply restarting your Android device or freeing up its storage, it indicates that your Samsung device may encounter some system issue.

Then we’d like to recommend you one of the Android system repair tools – DroidKit. It can be your best choice since it can fix various kinds of Samsung system issues including Samsung phone keeps restarting, Samsung black screen of death, overheating Samsung, Samsung touch screen not working, etc. Check how can DroidKit stop Samsung from restarting automatically:

DroidKit – Android System Repair

  • Choose the best solution to fix phone keeps restarting based on models.
  • The ROM downloaded when fixing the issue is official from Samsung.
  • No need to root your phone. Samsung phones and tablets supported.
  • Simply fix various system problems within minutes.

Free Download100% Clean & Safe

Free Download100% Clean & Safe

Free Download * 100% Clean & Safe

Here are the steps to fix a constantly rebooting / restarting Samsung smartphone:

Step 1. Once you have installed DroidKit on your computer, open it and tap on the Fix System Issues mode.

Click Fix System Issues

Click Fix System Issues

Step 2. Connect your Samsung phone to the computer and click the Start button on the Fix System Issues display.

Click Start Button to Continue Fixing

Click Start Button to Continue Fixing

Step 3. DroidKit will start to match the Samsung PDA code, after which, you need to tap on the Download Now button to download the firmware for repairing.

Start to Download Firmware Package

Start to Download Firmware Package

If the program fails to find the matching PAD code, you need to put your device into recovery mode and get the PDA code.

Step 4. When the firmware is downloaded, you need to click on Fix Now to initiate the fixing process > Put your Android phone into the “Download Mode” by following the on-screen instructions.

Get Your Phone into Download Mode

Get Your Phone into Download Mode

Step 5. Then DroidKit will start to repair the system issue. After a few minutes, you will see the System Fixed Successfully on the screen.

System Fixed Successfully

System Fixed Successfully

Fix 2. Boot Into Safe Mode

It is a proven way to delete the latest installed software by entering Samsung safe mode. As mentioned in the causes of Samsung restarting again and again, the third-party application might have a conflict with the Android system itself, so we are encouraged to delete the latest-installed software to stop the bad influence from other software.

So, you can boot into safe mode and find out if the latest installed software caused the problem, and get rid of these apps by long-pressing the app icons on the homepage. Safe mode is to troubleshoot if the third-party apps and widgets conflict with Android OS.

Remove the Latest-installed Software

Remove the Latest-installed Software

Further Reading: How to Fix Safe Mode Won’t Turn Off >

Fix 3. Update Samsung Manually

Newer Android OS is always to fix bugs and glitches that happen earlier. Therefore, you can also try to reinstall Android OS on your Samsung. Here is one of the ways to update Samsung to fix phone restarting randomly:

  1. Go to Settings on your Samsung.
  2. Find and click Software update/System updates.
  3. Tap Download and install if you enabled automatic updates earlier, or Check for system updates. Available software will be downloaded later.
  4. After the update file is downloaded, just follow the on-screen instructions to install it on your phone.
  5. After restarting, check if your Samsung phone is running normally and stop turning off then on.

Further Reading: How to Update Samsung Phone and Tablets Manually [in Details] >

Fix 4. Clean and Release the Storage

It is common for Android users that Android phones will be less sensitive when they have stored a large amount of data on their phone. Too many cache files or data can also lead to a series of system errors such as unexpected restarting issues. Therefore, if you have used your Samsung device for a long time, you should think about whether you have never cleaned up your mobile phone.

To clear cached data on your Samsung phone, you can release the storage under the “Settings” app: Settings > System > Storage > Cached data.

Clear Cached Data

Clear Cached Data

However, if you seek to preview specific cached data before getting rid of them, you should use DroidKit to check and delete redundant data that is filled up in your Samsung device.

Free Download

Free Download

* 100% Clean & Safe

Free Download * 100% Clean & Safe

  1. Install the latest version of DroidKit and open it on your computer.
  2. Choose the Clean System Junk mode > Connect your Samsung phone to the computer and confirm it.
  3. Preview and clear system junk data according to your needs. Here, you can see and clean up cache files, running apps, APK files and even big files on your Samsung phone.
Preview and select System Junk Data to Clean

Preview and Select Cache Data to Clean

Fix 5. Pull Off the SD Card

If your Samsung phone happens to be equipped with an SD card, you can also try to fix the issue by pulling off its micro SD card. It has worked for a large group of Samsung Galaxy S9/S8/S7 fans since the issue occurred several years ago. To pull off its SD card, you can:

  1. Insert the card needle into the port of the SD card slot.
  2. Slightly pull out the SD card.
  3. Remove the SD card to check whether the Samsung device still keeps restarting.
Pull Off the SD Card

Pull Off the SD Card

Fix 6. Factory Reset Samsung

This is also known as an Android factory reset. As I mentioned in the first part, if we break the Android operating system for unexpected reasons, we need to wipe the cache partition to bring the device to the initial normal condition.

Select the "wipe data/factory reset" Option

Select the “wipe data/factory reset” Option

Before restoring to the factory settings, it is highly important to back up your Samsung data, involving photos, contacts, call logs and other important data. To factory reset Samsung Galaxy S9/S8/S7 devices, you can:

  1. Charge your Samsung phone to 100% battery left and turn off the device.
  2. Press down the “Volume-up”, “Power” and “Home” buttons to access Recovery mode.
  3. Use the “Volume-up” and “Volume-down” buttons to choose the “wipe data/factory reset” option.
  4. Again, select “wipe cache partition” using the “Volume-up” and “Volume-down” buttons.
  5. Tap on the “Reboot System Now” option to bring your Samsung device to the initial situation.

Factory reset may take a few minutes to get your Samsung factory reset so that it’s better to perform this process with 100% battery left.

Also Read: How to Bypass Google Account Verification after Reset >

The Bottom Line

As one of the most famous mobile phone manufacturers, Samsung smartphone is aimed at the high-end market. However, according to the survey, we find that more and more Samsung users have been faced with the Samsung device keeps restarting issue. To quickly fix this issue, you are highly recommended to take DroidKit as a try. It is a frequently-happened problem for Samsung users, so, please take patience to read this guide to find out the easiest way to address the problem.

Free Download

Free Download

* 100% Clean & Safe

Free Download * 100% Clean & Safe

Author Avatar
Joy Taylor Twitter Share Facebook Share

Member of iMobie team as well as an Apple fan, love to help more users solve various types of iOS & Android related issues.

Back to Top Icon