[11 Proven Fixes] Samsung S21 Message Notification Not Working

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Muhammad Tayyab


Notifications are very crucial especially when it comes to various communication apps such as messaging, Gmail, WhatsApp, etc. It let you notify about the recent message received on your smartphone instantly. What if suddenly message notification stops working on your smartphone?

It would become a really hard situation to always open the messaging app to get to know about newly received messages. Are you also facing the message notification not working issue on your Samsung S21? If yes, then here you go with this guide.

Here we have covered some of the proven fixes to this particular message notification not working issue. All you need is to start the troubleshooting process with the help of these fixes covered in this guide.

There could be many reasons behind this issue, and some of them are as follow:

  • You might be using an outdated version of the messages app.
  • Notifications for messages app might be disabled on your smartphone.
  • Bugs in the phone software.
  • Power saving and Data saver options might be enabled on your device. (These options prevent messages app from showing notifications).

Samsung S21 Message Notification Not Working

We have covered some of the proven fixes that have resolved the message notifications not working issue for many users and I hope after implementing these fixes, the message notification will start to appear again on your Samsung S21.


Soft Reset your Phone

Most of the problems can be resolved by rebooting your smartphone. Therefore, whenever you encounter any type of issue on your smartphone, try to reboot it in the first place.

  • Simply, press and hold the “Power” buttons until you see the device has turned OFF completely.
  • Once, it is turned OFF, now wait for some time (a minute or two) and then again press the “Power” button to turn it back ON.
  • Now, wait until your phone completely boots up and is ready to use.

That’s it, you have successfully performed a soft reset on your Samsung S21.

Enable Notifications For Messages App on your Phone

Check whether the notifications are enabled for the messages app on your smartphone. Follow the below steps to enable notifications for the messages app on your Samsung S21.

  • Head over to the “Settings”.
  • Next, tap “Notifications”.
  • Further, tap “App notifications”.
  • Now, locate the “messages” in the list and then tap the toggle button to enable the notifications.

Disable the DND (Do not disturb) on your phone

You might have enabled the DND option on your smartphone, that’s why your phone is unable to push the messages notification. Having the DND option enabled on your smartphone mutes all kinds of notifications. Therefore, ensure that the DND option is disabled on your phone.

Follow the steps below:

  • Head over to the “Settings”.
  • Next, type “Do not disturb” in the search bar.
  • Further, tap the “Do not disturb” option
  • Finally, disable this option.

Disable Power Saving Mode

Having this feature enabled sets limits to most of the functionality of the apps running on the smartphone to optimize the performance and battery power. It prevents the apps from running in the background.

Disable the Battery Saving mode by following the below steps:

  • Head over to “Settings”.
  • Next, scroll down a bit and tap “Battery and device care”.
  • Further, turn Off the “Power saving” switch.
  • Now, tap the “More battery settings” and then turn Off the “Adaptive battery” option.

Deactivate Data Saver Mode

This mode belongs to the cellular data on your smartphone. The purpose of this feature is to restrict the apps to minimum usage of cellular data on your smartphone. Therefore, if you are using cellular data with this feature enabled might prevent your smartphone to push notifications.

Hence, you need to disable this feature by following the below steps:

  • Head over to “Settings” on your phone.
  • Next, tap “Connection”.
  • Now, scroll down a bit, tap the “Data Usage” and then the “Data Saver” option.
  • Finally, turn OFF the toggle button of the “Use Data Saver”.

Clear Messages App Cache

Most of the time, the issues occur due to the cluttered data stored in the cache memory of the app. Hence, you need to clear the app cache. Here, we will clear the messages app cache. To do that, follow the steps below:

  • Head over to “Settings”.
  • Next, tap “Apps”.
  • Further, locate the “messages” app from the list and then tap on it.
  • Now, tap “Storage & Cache”.
  • Finally, tap “Clear Cache”.

Avoid To Put Apps on Sleep Mode

There are tons of ways offered by the One UI to get the battery life optimized. One of them is to put unused apps to sleep. By doing so, however, the app will run in the background but could not be able to fully utilize the phone resources.

Here is how you can turn Off this feature to let the messages app work properly,

  • Head over to “Settings”.
  • Next, scroll down a bit and tap “Battery and device care”.
  • Further, tap the “Background usage limits”.
  • Finally, turn Off the “Put unused apps to sleep” option apps.

Wipe System Cache

Another fix that can lead you to eliminate this particular issue is by booting into the recovery mode of your smartphone. By doing so, you will be then able to wipe the cache partition. This method removes all the temporary files that might be causing issues to your device.

Steps To Follow below:

  • Switch OFF your smartphone.
  • To enter into recovery mode, press and hold the “Power” and “Volume UP” buttons until you boot into recovery mode successfully.
  • Once in recovery mode, use the volume buttons to switch between different options and the power button to select the desired option.
  • In recovery mode options, select the “Wipe Cache Partition” option and continue by pressing the “Yes” to confirm.
  • When you are done with it, now reboot your phone by selecting the “Reboot the System Now” option.

That’s it, you are done with clearing the system cache. Once your smartphone boots up successfully, then check whether the messages notification is working or still the problem persists.

Update the Messages App

Most of the problems occur due to an outdated version of the app running on the device. Hence, you need to check for the latest update and if available, then download and install it on your smartphone.

Downloading and installing the latest updates is very simple and can be done by following below simple steps.

  • Head over to “Play Store” or you can also update it from Galaxy Store.
  • Next, type and search for “Messages”.
  • If any recent version of the app is available, then you will see the “Update” button.
  • Simply, tap the “Update” button to upgrade the app.

Update the Phone Software

How To Update Software of smartphone

Make sure, that your phone is running on the latest version of Android. If a recent version of the software or security patches is available in the update, then you need to download and install them on your smartphone.

  • Head over to “Settings”.
  • Scroll down to the bottom and select “Software Update”.
  • Next, tap the ”Download and install” option.

Perform Factory Reset

How To Perform Factory Data Reset

This method is very effective and worth considering when facing any kind of issue on your device. This will restore all the settings to the factory default settings. But you need to take a complete backup of your important data as it will wipe all the available data on your device.

Here are the steps below:

  • Head over to “Settings” on your smartphone.
  • Next, tap “General Management”.
  • Scroll down to the bottom and you will see the “Reset” option. Just tap on it.
  • Here, you will see various reset options.
  • Tap on the one labeled “Factory Data Reset”.
  • Now, it will provide you with information stating that all the data will be erased from your phone.
  • Simply scroll down to the bottom and tap on the “Reset” button.

Now, wait for the process to complete, once it is finished, the phone will boot up and will be directed to the Welcome screen. Now, set up your phone accordingly by following the on-screen instructions.

Related: How To Fix Samsung Galaxy S21 NFC Not Working?


Is the Messages Notification not working on your Samsung S21? If yes, then you need to check whether the “Notifications for messages app” is enabled on your smartphone. Moreover, disable the DND (do not disturb) mode on your phone.

Apart from this, also deactivate the “Power saving mode” and the “Data Saver mode”. You should also consider “updating your phone software” to eliminate the existing bugs.

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