Common Problems in Samsung Galaxy A21s and Solution Fix

Are you experiencing some problems with your Samsung Galaxy A21s? If so, don’t worry; you’re not alone. In this blog post, we will be discussing some of the most Common Problems on Samsung Galaxy A21s smartphone and how to fix them.

The Android operating system has been around for some time now and is one of today’s most popular smartphone platforms. It’s free to download so that anyone can modify it according to their needs- but there are always those pesky bugs!

These imperfections often show up after a new update or upgrade – which could be why you’re experiencing such issues with your Android device right now.

In this article, I’ll show you how to fix the bugs and problems on your Samsung Galaxy A21s device. It’s not an easy task, but all the common issues on your phone with a little bit of work!

Samsung Galaxy A21s Common Issues and Problems 2024

In this article, I have discussed various Issues with the Samsung Galaxy A21s. All the solution explained below are tested and working. This blog post will be beneficial for you.

I will highly suggest you read the complete article to avoid confusion. And make sure to understand every method before applying it to your Samsung Galaxy A21s device.

Tips & Tricks

The below problems and their solutions are common in almost all smartphones today. However, if you’re experiencing an issue with your Samsung Galaxy smartphone, don’t worry because I am here with a comprehensive guide that will help get rid of any issues!

So, let’s quickly get into the first issue.

Heating Problem on your Samsung Galaxy A21s

If you face a Heating Problem on your Samsung Galaxy A21s smartphone, don’t worry. This is a common problem that can be solved with some tweaks.

How to fix the heating issue on the Samsung Galaxy A21s?

• After the phone is fully charged, unplug the phone. It often causes overheating problems.
• Make sure to use a thin back cover. Using a thick back cover may lead to improper ventilation of your phone and cause heating issues.
• Don’t play games while charging your phone, and don’t use your phone too much while charging.
• Always use the original charger when charging the Samsung Galaxy A21s smartphone.
• The biggest reason for phone overheating is gaming for long hours. It is a common issue in almost every smartphone.
• Do not install Unsupported Apps and Games on your phone. It often causes overheating issues.
• Always keep your phone updated and regularly update all your apps.
• Never let your phone storage become full. Because of this, your phone may become slow and cause heating issues.
• Sometimes, because of the high temperature of your home environment, even heating issues can happen.
• Always download your app from the Google Play Store. Every so often, the apps downloaded from the internet can cause heating issues.
• If your battery is too old and not in healthy condition, that is also the main reason for overheating the Samsung Galaxy A21s smartphone.

Also check, Unlock the Bootloader on Samsung Galaxy A21s

The above steps will make sure that your phone temperature doesn’t rise. However, if you are still facing this issue, go straightaway to the service center and resolve it.

Poor Battery Life on your Samsung Galaxy A21s

If your Samsung Galaxy A21s battery is draining quickly, you can follow the below steps. By following the below steps, you can ensure the cause of the issue on your smartphone.

How to fix poor battery life on the Samsung Galaxy A21s device?

• Always Turn off GPS whenever GPS is not needed.
• If you have installed apps like phone cleaner, uninstall them. These apps run in the background and eat up your phone battery.
• Never download apps apart from the play store. These apps may contain malware that runs on your phone’s background and lead to battery draining issues.
• Always try to use your phone in general settings. Do not use your Samsung Galaxy A21s device in custom settings, and this can be the reason for poor battery life.
• If you face a high decline in your phone’s battery percentage, try to replace your battery.
• Using Samsung Galaxy A21s in high screen brightness settings may reduce your battery fast.
• If you play more games, this should also be why your battery runs out quickly.
• Check if you face battery problems after installing any apps on your phone.
• If you have installed an app that claims that it will boost your phone battery backup, then uninstall it.
• Keeping your phone in power-saving mode for long hours also causes the battery to run out quickly.
• If the battery issue continues after following the above steps, try the factory reset on your Samsung Galaxy A21s.

Related – How to Install TWRP on Samsung Galaxy A21s (TWRP File May Or May Not Be available as per the development)

After following the above steps, I am confident that you will not face it again. If you are still facing any issues, contact your smartphone customer support and follow the instructions.

A Laggy or Sluggish User Interface on your Samsung Galaxy A21s

Do you feel a laggy and sluggish user interface while using your phone? If yes, then here is the complete solution for your device. Please read all the steps carefully before applying them to your phone.

How to Fix Lag on the Samsung Galaxy A21s Android device?

• If you are using any antivirus app on your phone or any junk cleaning app, uninstall it.
• Sometimes rooting can cause issues, so if you have rooted your device, make sure to unroot it.
• Make sure your internal phone storage has sufficient space left. If your phone space is running out, then free some space, and your Samsung Galaxy A21s phone will be back to normal.
• Connect your phone to a PC/ Laptop and scan it with Quick Heal or any trusted antivirus. It will remove the virus from your phone.
• Every so often, you may encounter a laggy and sluggish experience due to slow internet.
• After following the above steps, try Factory Reset your phone if the problem continues.
  • Go to Settings > System > Reset Options > Select “Erase all data (factory reset)”.
  • There is a high probability that your phone will run much faster after a Factory reset than before.
• The apps which are of no use, uninstall them.
• Sometimes using a custom theme on your phone may lead to the slow performance of your phone.
• If you have recently installed a third-party launcher on your Samsung Galaxy A21s can be the reason for this problem. You may uninstall it and revert to the default theme.
• Try to perform a basic reboot of your device and check whether the issue is fixed or not.
• Check if your phone is on the latest Android version. If not, then update your phone to the latest OS available.
• Update all your apps whenever updates are available.

I have discussed all possible solutions to fix lag issues on Samsung Galaxy A21s.

Camera Issues on Samsung Galaxy A21s

Samsung has been having camera issues with their new Samsung Galaxy A21s phone. The phone’s camera is shutting down randomly, and it’s not clear why. You can follow the below steps to fix it.

How to Fix Camera Issues on the Samsung Galaxy A21s device?

• There is a bug in the Android OS that causes this issue. You have to wait for an official update from Samsung before you can fix it!
• If you’re having trouble with your camera settings, just revert to the default settings.
• To get the most out of your camera, turn on Image Stabilization.
• Clear the camera app’s cache and try opening it again if you’re still having trouble.
• You can enable the HD option inside the camera app for better image quality.
• If you have made any changes to Camera Settings, revert to default and check if the problem is fixed.
• Remove the screen guard from your phone and check if this resolves the issue.
• Furthermore, clean your Samsung Galaxy A21s camera lens to fix blurry photo issues.

Samsung Galaxy A21s Phone unexpectedly shutting down

This issue is very common among Android smartphones. In this issue, your phone suddenly powers off. If you face the same issue with your Samsung Galaxy A21s smartphone, consider the below steps.

How to fix sudden shutdown in Samsung Galaxy A21s?

• First, check whether your Samsung Galaxy A21s battery is working fine or not.
  • To achieve that, Go to the phone dialer and type *#*#4636#*#* and dial.
  • Now you can see that “Battery information.”
• If your phone’s temperature is rising high, this could also be the reason for the sudden shutdown of your phone.
• Don’t use bulky back covers; this may cause heating problems due to improper ventilation.
• Check if your phone’s Internal Storage has left some space. If not, then this can be the reason for unexpectedly powering off.
• After applying the above steps, if the issue continues, then do a Factory reset on Samsung Galaxy A21s. It will surely solve your problems.

Must Read – How to Root Samsung Galaxy A21s

Following the steps will surely fix the sudden shutdown issue on Samsung Galaxy A21s. If you still encounter this issue, then go to your phone service center and get it resolved.

Samsung Galaxy A21s Screen frozen or stuck

You may face this issue while playing games, performing tasks, or making calls. This issue is mainly caused because of low RAM on your Android phone. Follow the below steps to fix this issue.

How to fix screen frozen or stuck on Samsung Galaxy A21s?

• Firstly, Check for Android updates on your smartphone. If an update is available now, then update it immediately.
• If there are any apps on your phone that you do not use, then uninstall or Force stop them.
• Restart your Samsung Galaxy A21s in safe mode and Wait to see if the problem goes away. If not, restart your phone normally and remove the app that caused the problem.
• You may sometimes face a frozen screen issue when your phone has low memory or less storage left on your phone.
• If you are facing this issue while using an App, then:
  • Go to Apps > See All Apps > Select the app where you face problems and clear its cache.
• The last steps are to Factory Reset your Samsung Galaxy A21s smartphone. It could solve all your problems.

Also read, How to Install Custom ROM on Samsung Galaxy A21s (Custom ROM Download File May Or May Not Be available as per the development)

The leading cause of this issue is the RAM. I hope after following the above instructions, you can resolve this issue.

Apps Opening Slow on the Samsung Galaxy A21s

You must have seen many times that many apps open up very slowly. You will encounter this issue on all phones. If this issue arrives at your phone, follow some simple steps below.

How to Fix Apps Open slowly on Samsung Galaxy A21s?

• First, check that your phone’s Internal Storage has enough space. If not, then delete some trash files and check.
• This issue often arises because of improper RAM management on your Phone. In that case, you can use RAM Booster App. It will help you with the overall performance of your device.
• Check if you have installed any Mod Apps or Games on your device. If you have installed it, uninstall it right away from the Samsung Galaxy A21s device.
• If the problem is coming up in all the apps, you have to restart your phone and check it. With this, there is more chance of success.
• Use the Lite version of the App. It will decrease RAM Usage and reduce the app opening time.
• If this issue still arises, then you should Factory Reset your Phone.

You may also like – How to Install Stock ROM on Samsung Galaxy A21s

If you still encounter this issue, then contact your service provider.

Apps and Games Crashes Suddenly or Unexpectedly on the Samsung Galaxy A21s

Whenever you open an app or game, and it suddenly closes, this is a common issue that can be addressed by following the steps given below to solve this problem.

How to fix sudden app crashes on Samsung Galaxy A21s?

• First, go to Settings > Apps and search for the app causing an issue. Select the app and clear the data.
• Check if your phone’s Internal Storage has at least 1 GB of storage left.
• Uninstall the app in which you face the problem and again install it. It will fix the app crashing issue.
• Make sure to update the app to the latest version.
• If you have enabled Power Saving Mode or Safe Mode, make sure to disable it.
• Lastly, scan your device using an Antivirus app.

Related Guide, How to Unlock Bootloader on Samsung Galaxy A21s

The above steps must resolve this problem. If you are still facing the issue, leave a comment mentioning your issue.

Bluetooth not connecting on the Samsung Galaxy A21s

Is your Bluetooth disconnected when you turn on Bluetooth and connect with other devices? If yes, follow the steps given below.

How to fix the Bluetooth connection issue on Samsung Galaxy A21s?

• Make sure you are not running your device under safe mode.
• This problem can occur because of the OTA Updates. So, check if there is any update available.
• If you have made any changes to Bluetooth settings, make sure to restore to default settings.
• Check if your device is discoverable to other phones.
• Turn off your phone’s Bluetooth for a few minutes, and then again, Turn it ON.
• Remove all previously paired devices from Samsung Galaxy A21s and check if the issue is addressed.

Also read, How to Install TWRP Recovery on Samsung Galaxy A21s (TWRP File May Or May Not Be available as per the development)

The above steps will ensure your Bluetooth connection is stable and working fine.

Display cracked and touch not working on Samsung Galaxy A21s

If your Samsung Galaxy A21s display is broken, and you want to access the data, follow the below steps.

How to access data if the phone touch is not working on Samsung Galaxy A21s?

• Using a USB cable, you can connect your Samsung Galaxy A21s to your PC/Laptop. By doing this, you can easily access all your data.
• If you have stored your data on a micro SD card, take it out and insert it again. Check if this fixes the issue.
• The problem could be the failure of the screen sensor. Check it and take the required action.
• If you want to use any apps on your phone, you can use an OTG Cable. Connect wireless Keyboard and Mouse. This way, you can access your phone like a PC.
• You can try the above steps if your touch functionality is not working.

I hope you find the above steps helpful and working for you. If not, then make sure to drop a comment below describing your issue.

Wifi Connection problem or low range of wifi on Samsung Galaxy A21s

If you face slow internet speed using Wi-Fi, you can follow the below steps to solve this problem.

How to Fix wifi Connection problem on Samsung Galaxy A21s?

• Sometimes bad weather conditions may be the reason. You may face this issue very often during rainy or unpleasant weather.
• Check your modem if there is an issue, or you can reset its settings.
• You can try turning the Wi-Fi Router on and off a few times.
• Make sure you are not outside the Wi-Fi Router Range. It is the common reason for low-range Wi-Fi.
• Turn On Airplane Mode on Samsung Galaxy A21s for 2–3 minutes, and then turn it off. Now check whether the issue is fixed or not.
• Lastly, check whether you have used the entire bandwidth limit of your plan.

Must Read, How to Root Samsung Galaxy A21s

Once you follow the above steps and still face the issue, try connecting to different Wi-Fi connections. If the issue appears the same with the different Wi-Fi, take your phone to the service center and get it fixed.

Cellular network issue or Mobile Data Problem on the Samsung Galaxy A21s

Many times, we face cellular network issues on almost every smartphone. If you are seeing fluctuations on your phone network or not getting a proper signal, you must try the below steps.

How to fix Cellular and Mobile Data network issues in Samsung Galaxy A21s?

• Take out the SIM Card from your Samsung Galaxy A21s device and insert the SIM again.
• If the problem continues, Turn On Airplane Mode, and after a few seconds, Turn it Off again.
• You can try resetting your Network Settings.
• This issue may often occur due to obstacles between your phone and the mobile tower.
• Restart your Phone and check if the problem is resolved.
• Check if you face a network issue because of a recently installed app.

Also checkout – How to Install Custom ROM on Samsung Galaxy A21s (Custom ROM Download File May Or May Not Be available as per the development)

This issue is very common. I hope you can get this fixed by following the above steps. If you are still facing a network drop on Samsung Galaxy A21s, leave a comment. I will guide you further.

Apps not downloading from the Play Store on Samsung Galaxy A21s

If you’re having trouble downloading apps from the Play Store on your Samsung Galaxy A21s, don’t worry – you’re not alone. Many users report this issue, and there are a few possible causes.

App not downloading or pending problem is generally caused by a new update on the Google Play Store. You follow the below steps and fix it.

How to Fix Apps not downloading from the play store on Samsung Galaxy A21s?

• Make sure that you have a strong Wi-Fi or mobile data connection.
• Check your device storage space.
• Restart your Samsung Galaxy A21s device and check if the issue is fixed.
• Check for Android system updates.
  • Open your Settings app.
  • Tap System > Advanced > System update.
• Next, clear the local search history of the play store.
• Try Clear app data of Google Play Store. It will surely fix the app not downloading issue.

You may also read, How to Unroot Samsung Galaxy A21s

That should surely resolve this issue. And anytime you face this issue, follow the above steps, and I am 100% sure you will be able to fix this issue.

Fingerprint Scanner problem on your Samsung Galaxy A21s

Samsung Galaxy A21s has a fingerprint scanner feature to provide an extra layer of security. However, some users have reported that their fingerprint scanner isn’t working on their devices. In this section, we will show you how to fix the problem.

How to Fix Fingerprint sensor problem on Samsung Galaxy A21s?

There are many ways to fix fingerprint sensor issues on a Samsung device.

• One possible solution is to wipe the sensor clean using a soft cloth or tissue.
• Remove the registered fingerprint and add a new fingerprint again.
• You can also try updating the software on your Samsung Galaxy A21s device, as new updates may contain fixes for any fingerprint sensor issues that you may be experiencing.
• Another option is to reinstall the firmware associated with your device’s biometric functionality, which can sometimes help resolve any issues related to the fingerprint sensor.
• Ultimately, you may need to consult Samsung customer support to identify and address any specific problems you may be having with the fingerprint sensor on your device.

Regardless of your chosen method, several methods can help you effectively troubleshoot and resolve fingerprint sensor issues on your Samsung Galaxy A21s device.

Conclusion

We hope that this blog post has helped highlight some common issues faced when using Samsung Galaxy A21s and, more importantly, the solutions to these issues.

If you are still experiencing any problems after implementing the suggested solutions, please do not hesitate to reach out to us for further assistance.