10 Ways to Fix Notification Issues on Galaxy S21/S21+/S21 Ultra

10 Ways to Fix Notification Issues on Galaxy S21/S21+/S21 Ultra

10 Ways to Fix Notification Issues on Galaxy S21/S21+/S21 Ultra

Notification issues on Samsung Galaxy S21/S21+/S21 Ultra spell trouble when alerts don’t show up or when notifications arrive without a sound.

The good news is that though the problem can be pesky, there are quick fixes that can get you going in no time. 

In this post, we’ll show you how to fix Galaxy S21/S21+/S21 Ultra notification issues in record time. Indeed, our detailed instructions should get your S21 sounding out your notifications in about 10 minutes — maybe even less. 

1. Disable “Do Not Disturb” mode.

DifficultyEasy
Number of Steps5
Completion Time8 seconds

Do Not Disturb (DND) limits phone interruptions by muting sound alerts, disabling vibration, and blocking notification pop-ups. In case you’ve accidentally turned this mode on, turning it back off will allow your phone’s notifications to work as usual.

Follow these steps to disable DND:

  • Swipe down the home screen to access the quick settings panel.
  • Toggle Do not disturb off.
disable DND
disable DND

Note: If you want to keep DND on and still receive some notifications, you can customize it to allow some exceptions. With this, you’ll still be able to receive alerts from your chosen apps or calls from specific contacts.

Follow these steps to customize DND:

  • Open the quick settings panel.
  • Press/hold the DND tile.
disable DND
disable DND
  • Choose/set up your desired customization option.
steps to customize DND

2. Turn off Power Saving mode.

DifficultyEasy
Number of Steps2
Completion Time4 seconds

Using the Power saving mode is the most effective way to extend the Samsung Galaxy S21’s battery life. Unfortunately, this mode disables some features and functionalities on your phone including notifications from apps.

Turning this mode off should help fix Galaxy S21 series notification issues.

Follow these steps to turn off power saving:

  • Open the quick settings panel.
  • Toggle the Power saving mode off.
disable DND
steps to turn off power saving

3. Disable Data Saver mode.

DifficultyEasy
Number of Steps4
Completion Time10 seconds

Data Saver mode prevents background apps from using your mobile data when you’re not connected to the Wi-Fi. While this allows you to cut down on data usage, this may stop apps from receiving data and sending you notifications.

Disable data saver mode using the steps below:

  • Open Settings.
  • Click Connections.
Disable data saver mode
Disable data saver mode
  • Click Data saver.
  • Toggle the switch off.
Disable data saver mode
Disable data saver mode

If you were unable to straighten out Galaxy S21/S21+/S21 Ultra notification issues until this point so far, try changing your phone’s settings using the methods that will follow.

4. Set notification alerts to sound.

DifficultyEasy
Number of Steps3
Completion Time7 seconds

Putting your phone on either vibrate or mute will disable sound alerts which can cause you to miss important notifications. Make sure your phone’s notification alerts are set to sound to remedy this.

Use these steps to set your notification alerts to sound:

  • Open Settings.
  • Click Sounds and vibration.
  • Choose Sound.
set your notification alerts to sound
set your notification alerts to sound
set your notification alerts to sound

5. Adjust notifications volume settings.

DifficultyEasy
Number of Steps4
Completion Time10 seconds

Even when not muted, you may still fail to notice any sound alerts on your phone if the notification volume is on a low level. Always keep it at a level that you can easily hear so you don’t miss any notifications.

Adjust the volume level of notifications by following the steps below:

  • Open Settings.
  • Click Sounds and vibration.
Adjust the volume level of notifications
Adjust the volume level of notifications
  • Click Volume.
  • Swipe the Notifications volume bar left/right to adjust.
Adjust the volume level of notifications
Adjust the volume level of notifications

6. Turn on app notifications.

DifficultyEasy
Number of Steps5
Completion Time13 seconds

Notification settings can be modified for individual apps on your Samsung Galaxy S21 device. As such, some apps may not be able to send you notifications unless you manually turn on app notifications for them.

H3: Turn on App Notifications using these steps:

  • Open Settings.
  • Click Notifications.
Adjust the volume level of notifications
Adjust the volume level of notifications
  • Scroll down/click More under Recently used.
Adjust the volume level of notifications
  • Scroll down/choose an app.
  • Turn on the switch beside the desired app.
Adjust the volume level of notifications

7. Modify app restrictions.

DifficultyEasy
Number of Steps8
Completion Time20 seconds

Are you not getting notifications on a particular app? If this is the case, you may have to check if said app has some restrictions that need to be lifted before it can send notifications properly.

Do these steps to check and modify app restrictions:

  • Open Settings.
  • Click Apps.
Adjust the volume level of notifications
check and modify app restrictions
  • Choose/click the app.
  • Click Mobile data.
check and modify app restrictions
check and modify app restrictions
  • Turn on Allow background data usage.
  • Tap the back arrow to return to App Info
check and modify app restrictions
check and modify app restrictions
  • Click Battery.
  • Choose either Unrestricted or Optimized.
check and modify app restrictions
check and modify app restrictions

8. Reset all settings.

DifficultyEasy to Moderate
Number of Steps7
Completion Time50 seconds

If you think that the notification issue on your device was a result of some prior changes you’ve made in the settings, you can fix it by performing a reset to revert every setting to default.

Follow the steps below to reset all settings.

  • Open Settings.
  • Scroll down/click General management.
Adjust the volume level of notifications
reset all settings
  • Click Reset.
  • Click Reset all settings.
reset all settings
reset all settings
  • Click Reset settings.
  • Click Reset.
reset all settings
reset all settings
  • Wait for the device to restart and reset its settings.
reset all settings

If this method still didn’t help fix Galaxy S21/S21+/S21 Ultra notification issues for you, proceed with the two solutions below that involve clearing and wiping corrupt data on the phone.

9. Wipe the cache partition.

DifficultyModerate
Number of Steps11
Completion Time1 minute and 30 seconds

Temporary data, logs, and settings stored on your phone’s cache partition can sometimes become corrupted. When this happens, it can cause errors and malfunctions on your device which you can only solve by manually wiping the cache partition.

Follow these steps to wipe the cache partition:

  • Press/hold the side button.
  • Tap Power Off on the pop-up menu.
  • Wait for your phone to shut down.
steps to wipe the cache partition
steps to wipe the cache partition
  • Use a USB cable to plug your phone into a PC.
  • Press/hold the volume up button and the side button simultaneously.
  • Hold until you boot into Recovery Mode.
steps to wipe the cache partition
steps to wipe the cache partition

Note: Press the volume buttons to highlight a selection. Press the side button to confirm a selection.

  • Select Wipe cache partition.
  • Press the side button to confirm.
steps to wipe the cache partition
  • Select Yes and press the side button.
steps to wipe the cache partition
  • Press the side button to confirm the Reboot system now.
steps to wipe the cache partition
  • Allow the device to boot up completely.

10. Factory reset your phone.

DifficultyModerate
Number of Steps13
Completion Time15 minutes

If resetting all the settings on your phone wasn’t enough to fix Galaxy S21/S21+/S21 Ultra notification issues, your last course of action is to perform a factory reset.

This action will reset your phone’s settings and wipe your data.

For this reason, a factory reset is treated as a last resort when troubleshooting. We recommend backing up your data on a Samsung Cloud or a PC for restoration after the factory reset process.

Perform a factory reset using the steps below:

  • Press/hold the side button.
  • Tap Power Off on the pop-up menu.
  • Wait for your phone to shut down.
steps to wipe the cache partition
steps to wipe the cache partition
  • Use a USB cable to plug your phone into a PC.
  • Press/hold the volume up button and the side button simultaneously.
  • Hold until you boot into Recovery Mode.
steps to wipe the cache partition
steps to wipe the cache partition

Note: Press the volume buttons to highlight a selection. Press the side button to confirm a selection.

  • Select Wipe data/factory reset.
  • Press the side button to confirm.
  • Select Factory data reset.
  • Press the side button to confirm.
Perform a factory reset
Perform a factory reset
  • Wait for the screen below to say “data wipe complete.”
  • Press the side button to confirm the Reboot system now.
Perform a factory reset
steps to wipe the cache partition
  • Allow the device to boot up completely.

That should do it. If by now, you’re still dealing with a notification issue, it would be a good time to visit a Samsung-certified repair center or to get in touch with Samsung support. 

Wrapping Things Up

The steps above are comprehensive and should suffice. While there may be other reasons your Samsung Galaxy S21 is not working, following the detailed instructions should get you going in 10 minutes or less. 

Galaxy S21/S21+/S21 Ultra Notification Issues FAQs

What are Floating Notifications?

Floating Notifications lets you see incoming notifications on top of whatever you’re doing on your Android smartphone keeping you updated. They’re not for everyone though as only Android 11 devices and up can make the most of the feature. 

How do I set up floating notifications on Samsung Galaxy S21?

To activate floating notifications on Samsung Galaxy S21, go to Settings>Notifications>Advanced settings>Floating notifications and choose between Bubbles and Smart pop-up view.

How do I turn off notifications on Samsung Galaxy S21?

Go to Settings>Notifications>Included apps to turn off notifications for all the apps on your Samsung Galaxy S21. Change the notification sound on Samsung Galaxy S21 by going to Settings>Sounds and vibration>Notification sound.

How do I make the notification app icon badge show on Samsung Galaxy S21?

If the app icon badge is not showing up on your Samsung Galaxy S21, follow these steps to turn it on:

•Open Settings.
•Click Apps.
•Tap the app you want to show the icon badge.
•Click Notifications.
•Turn on App icon badges.

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