How to fix Samsung Galaxy S9 Plus that keeps freezing and lagging (easy steps)

Your new Samsung Galaxy S9 Plus may still be able to experience freezes and lags sooner or later but the thing about these issues is that they’re pretty minor and are very easy to fix. There are times when a powerful smartphone like the S9 may encounter performance related problems due to storage issues. For instance, if you’ve already installed hundreds of apps on your phone’s internal storage or saved large files and videos, there’s a chance your phone may run slow with freezes and lags. Free up some space and you may fix those issues however, there are cases wherein you really have to do some troubleshooting procedures.

In this post, I will walk you through in troubleshooting your Samsung Galaxy S9 Plus that keeps freezing and lagging. We will try to determine what the problem is all about and from there we can devise a solution that may fix it. So, if you’re one of the owners of this great phone and are currently being bugged by freezes and lags, continue reading as this post may be able to help you one way or another.

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.

How to troubleshoot Galaxy S9 Plus that freezes and lags

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In fixing this problem, you need to determine if it’s caused by an app first and then the rest will follow. We have encountered cases in the past wherein some apps caused the system to crash or affected the performance of the phone, thus, resulting to freezes and lags. With that said, here’s what you should do first:

Run your phone in Safe mode

By doing this, you’ll be able to determine if the problem is caused by one or some of your apps. All third-party apps are temporarily disabled in this mode so if the freezes and lags disappear while the phone is in this mode, it’s obvious that one of them is causing the problem. The next thing you should do is find out which of them is the culprit and uninstall it. Now, this is how you run your Galaxy S9 Plus in safe mode:

  1. Turn the device off.
  2. Press and hold the Power key past the model name screen appearing on the screen.
  3. When SAMSUNG appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. When Safe mode appears in the bottom left corner of the screen, release the Volume down key.
  7. While in Safe mode, you can now uninstall apps that are causing a problem.

If you already have in mind that you think is causing the problem, follow these steps to uninstall it:

  1. From the Home screen, swipe up on an empty spot to open the Apps tray.
  2. Tap Settings > Apps.
  3. Tap the desired application in the default list.
  4. To display preinstalled apps, tap Menu > Show system apps.
  5. Tap UNINSTALL > OK.

You may have to uninstall more than one app to fix this problem so it takes patience find out which one is culprit.

On the other hand, if the freezes and lags are still occurring in safe mode, then you will have to do the following procedures.

Delete system caches so they’ll be replaced

Performance issues may also be due to some corrupt caches that’s why if the problem continues to bug you even in safe mode, you will have to go after the caches. Delete them all so that the system will create new ones that are completely compatible with the firmware. You can do that by running your phone up in recovery mode and wiping the cache partition:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the Android logo displays, release all three keys.
  4. An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
  5. Press the Volume down key several times to highlight wipe cache partition.
  6. Press Power key to select.
  7. Press the Volume down key to highlight yes, them and press the Power key to select.
  8. When the wipe cache partition is complete, Reboot system now is highlighted.
  9. Press the Power key to restart the device.

Your phone will take a little time booting up after the cache partition is wiped off of its contents as it will rebuild or recreate those caches. Don’t be alarmed if the phone gets stuck on the logo for a minute or two after this just don’t turn it off so that what were deleted will be replaced successfully.

If the problem still persists after this procedure, then try doing the next step.

Backup your files and data and then reset your phone

All performance issues can be fixed by a reset but you will have to go through the hassles of backing up your files and data before the reset and restoring them after. But at this point, you have no other options so you really have to do it.

First, make sure you back up your important files and data including your contacts, messages, pictures, videos, music, etc. After the backup, disable the Factory Reset Protection so that you won’t be locked out of your device after the reset. Once everything is set and backed up, follow these steps to reset your phone:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  4. Press the Volume down key several times to highlight ‘wipe data / factory reset’.
  5. Press Power button to select.
  6. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  7. Press Power button to select and start the master reset.
  8. When the master reset is complete, ‘Reboot system now’ is highlighted.
  9. Press the Power key to restart the device.

I hope that this troubleshooting guide can help you fix the problem with your phone. If you still have other concerns you want to share with us, feel free to contact us anytime or leave a comment below.

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