They say it always seems impossible until it’s done. Of course, there are difficulties associated with every task. However, smartphones are capable to cut them down by around 50%. It is because of this reason people can simply enjoy their life if they choose to invest on a simply amazing smartphone. There are premium gadgets that not everyone can afford but Samsung is one of the smartphone makers that have made it possible for everyone to own something stylish and powerful without worrying about the money. This is the reason they are ruling several international smartphone markets across the globe. Well, they just unveiled Samsung Galaxy M21s and we find it worth to introduce you to the common problems in Samsung Galaxy M21s and how to fix them. Here are more details to know.

It is not a reason to worry about these issues if you can trace them early. The best way to do so is to keep a close eye on the performance of the device. If it’s too low, the same indicates these issues are active. The second symptom your device can experience is limited functionality. Once spotted, it would be good to take action quickly and immediately. Keep in mind that common problems are related to the phone software domain. Android updates and the general bugs related to the phone apps cause them. This post has the simples solutions listed to help you avoid common problems in Samsung Galaxy M21s in no time. Before knowing how this can be done, here is a quick review of this device.

Common Problems in Samsung Galaxy M21s and Solutions

To make sure you can have expected results, it makes good to understand something important about common problems before going ahead with the solutions. Something that plays a vital role in deciding the quality of outcomes you will be getting post following this guide is how well you are familiar with the working of a smartphone. It would be good to boost your knowledge about the same in case you are having no idea. The next big thing is to make sure the solutions are applied in a correct way. One of the best ways to avoid any misfortune is to make sure you read all the solutions listed against the problem you are experiencing. It takes less than 10 minutes but you can cut down the probability of applying any method in a wrong manner. We at www.getdroidtips.comes don’t take responsibility if things go wrong while following this guide.

Connectivity Problems

Bluetooth connectivity problems

Wi-Fi/Internet connectivity problems

Mobile data not working

GPS Problems

Slow Performance

Overheating Problems

Slow Charging

Poor Camera Quality

Poor Battery Life

Earpiece Sounds Robotic

Screen not working properly

Apps not working properly

SIM/Network Problems

Samsung Galaxy M21s Fingerprint Sensor Issue

Samsung Galaxy M21s Not Turning ON

Samsung Galaxy M21s Not getting charged via cable/charger

Unfortunately camera has stopped

Unable to Login on apps

MicroSD card problems

Video Recording Issue

Unable to Send or Receive Text Messages

Unable to Make Phone Calls

WhatsApp Not working on Samsung Galaxy M21s

It is worth mentioning there that not all problems in a smartphone reflect their true identity. Some problems can be there because of reasons one cannot even think about. Thus, if the above-listed solutions fail to bring results, it would be good to contact Samsung’s official support for Galaxy M21s. you can do so by visiting an authorized repair center or through an online platform. Do let us know if there is anything else about common problems in Samsung Galaxy M21s we can help you on. Keep visiting our blog for similar posts.

Solutions

  • Check and make sure a compatibility issue between the Bluetooth versions on both the devices you are trying to connect might be causing this problem

  • The reason to this problem is a software glitch with the default Bluetooth drivers on your Samsung Galaxy M21s

  • Do check and make sure the phone Bluetooth visibility is not hidden and the problem is caused because of the very same reason

  • This problem could be there just because you are sending a lot of data in one cycle. Divide it into smaller sections for smooth Bluetooth functionality

  • Make sure the problem is not there just because the phone is active in the power saving mode which in some cases disable the phone Bluetooth

  • The other device you are trying to connect to might be suffering from a problem. Check the same

  • The pairing of both the Bluetooth devices might not be proper. Disconnect them and try connecting them again

  • A wide Bluetooth history list can be the reason you have to face this problem. Erase a few or all the names from the same and check if this works

  • Delete the phone cache data and check if this helps you to fix the problem

  • There are chances that any of the devices you are going to connect to each other is infected with a virus or there is a similar security issue

  • The phone Bluetooth antenna might be unable to perform its task just because of a fault or if the devices are not placed within the defined Bluetooth area i.e. approx 3 square meter

  • A simple restart can fix this problem. Try it

  • Make sure the problem is not there just because the phone is having a hardware problem

  • The network you are trying to connect your device to might be having a lot of congestion due to a number of devices connected to the same. Check if this is the reason to the problem

  • Don’t make any changes to the Local Area Network settings on your device. This can cause the actual trouble

  • Make sure this problem is not there just because the network security is turned OFF

  • There is a probability of having a problem either with the signal antenna on the phone or on the router you are using

  • The device might not be getting proper Wi-Fi signal strength because of placing the router at an odd location in your arena. Check

  • Your internet connection probably has a bandwidth limit on the same and it might have reached. Check if this stops the services

  • Sometimes the users have to face this problem just because the app/browser or domain they open is having something wrong with the same

  • The router might not be able to allow more connections just because its limit is reached. Check

  • The reason to this problem is nothing but a basic glitch associated with the default Wi-Fi drivers

  • Check if the network password you entered in your Samsung Galaxy M21s is incorrect/outdated

  • This problem is often experienced when you are already downloading a lot of data on your device. Stop the same ad check if this works

  • Make sure the router is not having any configuration error related to the same which is causing this problem

  • The problem might be there just because your phone is having an OS or a hardware problem. Check the same

  • Your data pack might have expired. Check the same and make sure it is not the reason to this problem

  • This might be happening due to crossing your daily bandwidth limit usage. Check if this is the case

  • Make sure the actual problem is not with the phone SIM card. Refer to the solutions listed under the headline “SIM/Network Problems” in this post

  • Make sure if the internet services are facing an obstacle on your phone due to any of the possible reason

  • This can happen in some cases when the phone is updating the installed apps or is downloading the OS updates. Check if this is the reason

  • Simply make sure the actual fault is not caused just because the storage space is not available in the phone. This can happen in certain cases

  • A problem with the service provider or with the network can be a reason you have to face this fault in your phone

  • Make sure you are not confusing this problem with the slow internet speed

  • Check if the problem is caused by a poor signal strength on your Samsung Galaxy M21s

  • Reset the network setting to the recommended mode in case you customize them. This can solve the problem for sure

  • Simply restart the phone and check if this help you to fix the issue

  • Turning the roaming services OFF can be a reason to this problem on your device

  • Check if the network mode selection on the phone is wrong. You might have selected a 2G network in the same when you are using a 4G SIM

  • Clear the cache partition of the device and check if this solves the problem on your device

  • Check if the internet connectivity on the device is poor and the same is causing this problem

  • Make sure the actual problem is not in the phone GPS sensor. Check and get it repaired if you find the same

  • The problem could be there in the GPS antenna of the device. Thus, check the same and take the action required

  • Toggle the phone GPS and check if this works

  • Sometimes running a number of apps in the phone that access the phone GPS cause this problem. Close a few and check if the problem is solved

  • Check if the phone location services are ON. This is required for the proper working and functionality of phone GPS

  • Enabling power saving mode on your Samsung Galaxy M21s can be the reason to this problem

  • Make sure the GPS problem in the device is not related to the failure of any hardware component

  • Check if any important OS update is spending and install the same. This can solve the GPS-related common problems in Samsung Galaxy M21s

  • Select high accuracy mode in the location services and restart your device. This may solve the problem

  • Check if this problem can be solved by updating the Google maps

  • Recalibrate the GPS on the device using the compass app and check if the problem is eliminated

  • The phone GPS might be disabled or turned OFF manually. Check and turn it ON if so

  • Refreshing the GPS data on your device can solve this problem. Check if this works

  • If nothing work, perform a factory restart by saving the phone data first and check if the problem is gone

  • Just turn OFF the phone and again turn it ON. Check if the performance is restored

  • Simply clear the cache data of your phone which you haven’t cleared for a long time. Doing this can help a lot

  • Make sure the installed applications and the phone Operating System are fully updated to the latest available versions

  • In case you have changed the recommended settings of your device or for the apps, the same can affect the overall performance

  • One of the reasons to the performance-related common Samsung Galaxy M21s problems is a faulty RAM in the device

  • Make sure the memory of your device is not completely filled. At least 2GB free space is to be there for smoother operations

  • The performance of any smartphone can get affected when you run it in the safe mode all the time. Check if this is the reason in your case as well

  • There are chances that the actual problem is with the phone RAM. Check the same

  • Make sure you are not running multiple features of your device all at the same time

  • A lot of users often confuse the slow operating internet on their phone to the slow performance of their device

  • Perform a hardware reset and this will probably fix the problem. Save your device data before you proceed

  • Your device might be having a problem with the battery inside. First, check the same

  • Try a basic reboot and check if this helps you to deal with the problem

  • One of the reasons to this problem is nothing but the installation of so many games in the device

  • Do check and make it sure that all the apps installed in the device are fully updated

  • Sometimes this problem is caused by bad apps and unused data in the phone. Check and erase the same

  • Simply make sure that the device ventilation system is in proper working condition and is not responsible for this fault

  • Many users face this problem in their Samsung Galaxy M21s just because of using a third-party or a low-quality accessory with the device

  • Check if this problem is caused by a phone virus which might be there in the default storage space

  • Check in case the power bank you are using is responsible for this problem because it is having different specifications that what on the phone

  • The reason to this problem could be a high power charger which you might be using

  • There are chances that the problem is caused just because the phone is having something wrong with the processor inside. Check the same

  • Wipe the cache partition and check if this helps you to fix the problem

  • First, check if this problem is caused by a weak charging source or the one which is causing power fluctuation

  • Simply make sure the problem is not caused just because you are using a charger which is having its adapter or the cable not in proper working condition

  • The reason to this problem is nothing but allowing the phone data to get synchronized with the apps all the time

  • Make sure you are not playing games or downloading the data from the internet while charging your device

  • Keep the mobile data and the Wi-Fi OFF while charging your smartphone

  • Make sure the charging port of your Samsung Galaxy M21s is not having anything wrong with the same which is causing this problem

  • Clear the cache data and perform a basic reboot. Check if this helps to fix the problem

  • Perform a software reset and the problem will probably be gone

  • One of the leading reasons to this problem is nothing but a fault with the phone battery. Check the same

  • In certain cases, this problem is caused by a phone virus. Check and remove the same from the phone memory

  • The reason you are facing this problem is nothing but there are apps not in proper working condition in your device

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  • The pre-installed glass guard on the device screen should be removed first. Check if this solves the problem

  • Do check and make sure the problem is not caused by burst mode which you have selected while capturing the images

  • One of the reasons to the camera-related common Samsung Galaxy M21s problems is nothing but not using image stabilization option

  • Select the best image resolution in the camera settings. This will probably fix the problem

  • Sometimes this problem is caused during a video call only and for this, you simply need to check if the signal strength is too low

  • Avoid using the camera zoom feature as this often degrades the overall quality

  • The reason to this problem could be a fault with the app you are using. It is always recommended to go ahead with the default camera app only than using any other

  • Check if there is no storage space available in the phone and the captured images are therefore getting stored in a low-quality format

  • Do check and make sure the problem is not there just because the camera lens is having moisture or dust in the same

  • This problem could be there just because the shooting mode selected by you is not as per the nearby visibility conditions. Check

  • Check and make sure the problem is not there in the phone OS which is not allowing you to open and run the phone camera

  • The reason to this problem is continuous data downloading in your phone. Check if the installed and the system apps are allowed to install automatic updates

  • Make sure this problem is not caused by a phone virus which usually finds its entry in the device

  • In some cases, it’s nothing but that extra level of screen brightness that causes this problem

  • One of the leading reasons to this problem is nothing but the installation of power-hungry apps in your phone. Check and remove them

  • Make sure the fault is not caused because the phone is running in the safe mode for a long time

  • Check if this problem is there just because a lot of notifications are lying unread in the background

  • Do check and make sure this problem is not caused just because your Samsung Galaxy M21s is having something wrong with the battery inside

  • Sometimes this nothing but an OS bug in the device which causes this problem

  • Check if the internet connection of your phone is shared with other devices through Wi-Fi hotspot. This also drains the battery too quickly

  • Close the apps running in the background and check if this helps you to deal with the problem

  • Do check and make sure the problem is not caused just because your phone’s earpiece connector is faulty. Check it properly

  • The reason to this problem is nothing but running your Samsung Galaxy M21s in customized sound settings. Check and restore

  • Simply make sure the problem is not there just because you haven’t connected the earpiece properly with the phone

  • A sharp bend on the earpiece wire can cause signal blockage and can, therefore, be a reason to the robotic sound

  • In case you are using a Bluetooth-enabled earpiece, simply make sure to stay within the defined Bluetooth signal range (area)

  • A low-quality earpiece can directly be blamed for this problem. Check the same

  • The reason to this problem is nothing but a fault in the earpiece itself. Check if it works properly when connected to another device

  • Sometimes the users have to face this problem because of no other reason than selecting a wrong sound type option for the earpiece

  • Check if the phone sounds are manually turned OFF

  • This problem if experienced during a phone call can be due to low or improper signal strength

  • Signal attenuation might be caused just because of the intermixing of frequencies. Check the same

  • Simply make sure the problem is not there just because your phone is having something wrong with the device screen sensors

  • Remove the glass guard installed from the screen to check if the problem is caused by the same

  • Lack of cleanliness on the screen against the oil, sweat and grease particles is one of the reasons to the screen-related common Samsung Galaxy M21s problems

  • You can face this problem because of not updating your device for a long time

  • Try performing a forced restart to check if this fixes the problem

  • Simply remove the micro SD card if the same has been inserted in the device. Check if this works

  • Don’t run the device in the power saving mode as you can experience this problem because of the very same reason

  • Sometimes this problem is experienced only when you turn ON the screen sharing option and share the device screen with a third-party gadget

  • The reason to this problem could be a fault in any of the hardware components inside your phone

  • Check if the default screen drivers in the phone are not working properly

  • This problem could be there due to a physical damage on the screen

  • Begin with a simple reboot to check if this helps you to fix the problem

  • Do check and make sure the problem is not caused just because your device is having something wrong with the RAM

  • Sometimes this problem is caused just because of bad or blocked apps in the device. Check and remove them all

  • Denying permission to the apps for accessing the data can be a reason to this problem

  • Update all the apps which are pending and this will probably fix the problem

  • Many users have to face this problem just because of installing the apps from another source than Play Store

  • Don’t run your Samsung Galaxy M21s in the safe mode or in the power saving mode as this can have a large impact on the working and performance of the installed apps

  • The reason to this problem is nothing but operating the apps in the custom settings

  • Many users complain about having app-related problems in the phone when they disable some features of the phone manually

  • Move the apps to the system storage space than keeping them in a third-party storage space such as a micro SD card

  • Uninstall the apps which are not working properly and install it once again from the Play Store. Check if this helps

  • Check if a basic restart helps you to fix this problem

  • Open the network settings and switch the network selection key to automatic option

  • This problem might be there because the Airplane mode is turned ON. Check the same

  • While traveling make sure to turn ON the roaming services

  • This problem is often experienced in some cases after unlocking the phone bootloader

  • The reason to this problem is nothing but a damaged SIM card. Check the same

  • You might have mistakenly turned OFF the SIM card

  • The SIM card might have not been inserted properly in the phone and the same is causing the problem. Check

  • The SIM card access might be locked by a PIN or a password. Check and remove the same

  • Check if the SIM tray is having a physical damage on the same

  • The signal antenna on your Samsung Galaxy M21s might not be performing its task. Check the same

  • The reason to this problem is nothing but a problem in the SIM card slot in the phone

  • Make sure the problem is not caused just because the services are no longer valid on your SIM card just because you haven’t used the same for a long time

  • First of all, simply clean your hands. Dust or debris on the fingers can be a reason to the problem. Check and take action required

  • Gently clean the fingerprint scanner on the phone with a soft cloth and check if this solves the problem

  • This problem can sometimes declare its presence due to completely filling the storage space of the phone

  • The fingerprint scanner might not be working due to a bug in the Operating System. Check and take the required action.

  • Simply delete the saved fingerprint from your Samsung Galaxy M21s and add it again. This can solve the problem

  • One of the reasons to the fingerprint-related common problems in Samsung Galaxy M21s is nothing but putting pressure on the fingerprint scanner very softly. Put a bit more pressure on the same with your finger and check if this works

  • Always make sure to add more than one fingerprint

  • Your fingers might be wet and the same can be a reason to this problem

  • Always give priority to the phone updates. Installing them make sure the problem wouldn’t declare its presence

  • Check if there is a minor injury on your finger which might be acting as a barrier for the scanner when it try to read the information from the same

  • Performing a factory restart can solve this problem. If this doesn’t work, the reason to this problem might be a hardware fault in the phone.

  • Sometimes this problem could be there due to allowing multiple apps installed in the phone to access the fingerprint scanner on the phone. Check and take the action required

  • Check if the phone battery is charged. This could be due to the consumption of entire juice from the same

  • An issue with the third-party app can cause this problem. Thus, check all the apps before you install them in the phone and make sure they are compatible with the same

  • Make sure to press the power button a bit harder and check if this helps

  • Sometimes this problem would be due to a fault in the power button. Check and take the action required

  • An unknown software glitch in the device can be a reason to this problem. Check and take the action required

  • There are chances that the phone is getting turned but it’s the screen which is not. Check and make sure this is not the actual issue in your case

  • This might be happening because you restarted or turned OFF your device when it was updating

  • Know the exact number of seconds for which you need to press the power button. Sometimes this problem is there just because you are pressing the same for a very short span of time

  • Liquid damage to your Samsung Galaxy M21s can be a reason to this problem. Check and take the action required

  • Hardware damage in your phone can be the reason to this problem. Check and get it repaired

  • Overheating can sometimes turn off the device automatically and you cannot turn it ON unless the inner temperature comes down the normal range

  • Check if the phone can be turned ON in the safe mode. Press the power button with the volume up/down button for the same. If this doesn’t work, try opening it in the recovery mode

  • Check if this is a problem just because the phone battery is faulty

  • Make sure the phone charger is in proper working condition

  • A loose connection between the phone and the charging cable can be a reason to this problem. Thus, make sure to connect them properly

  • A bad app or the one installed from a third-party source can be the reason to this problem

  • Don’t use a third-party charger as this can be a reason to this problem

  • Check if dust or debris is there in the charging port and clean it. The same can be a reason you have to face this problem in your device

  • In some cases, the phone gets charged but the charging percentage icon which doesn’t give the correct information. This can happen due to a software bug. Check and install the latest updates if the same is pending

  • Sometimes the charging-related common problems in Samsung Galaxy M21s are experienced when the charging socket/power source you are using to charge your widget is faulty

  • Check if the actual fault is with the charging cable. Check and replace the same if required

  • This problem could be due to the detection of moisture in your Samsung Galaxy M21s. Check its level and take the required action

  • Remove the last application you installed and check if this helps you to deal with the problem

  • An issue with the phone motherboard can be the reason you have to face this problem

  • The pins in the phone socket might be damaged and the same is causing this problem. Check the same

  • Drain the phone battery completely and charge it again. Check if the problems is solved

  • Performing a forced restart to the phone can fix this issue. Simply try the same

  • Check the default camera driver software in the phone. Check if installing the new updates for the OS fixes this problem

  • Make sure you aren’t using a third-party camera application which is not compatible with your Samsung Galaxy M21s

  • Disable the safe mode if your phone is running in the same

  • This problem could be there just because the phone has something wrong with any of the hardware components inside

  • Close the camera application if it is running in the background and open it again after 30 seconds. Check if this solves the problem

  • Delete the cache of the camera application and check if this helps you to deal with the problem

  • Do check and make sure the actual problem is not caused just because the camera lens is faulty or damage

  • There might be no storage space available in the phone or in the memory selected for storing the camera files and the same can cause this problem. Most of the times the camera-related common problems in Samsung Galaxy M21s are because of no other reason than this

  • Check if the concerned app is outdated. Updating the same from the Play Store can fix this problem.

  • Do check if the Google Play Service on your device is having something wrong with the same because it can affect the working of installed applications

  • The low storage space on your device can be a reason for this problem. check and do the needful in this regard

  • There are chances that the actual problem is with your account created on the app. Check

  • Make sure there are no recent changes in user’s policies of the concerned app

  • One of the reasons for the app login-related common problems in Samsung Galaxy M21s is not cleaning the cache data of the concerned app. Try it and check if this solves the problem

  • You might be running the app in custom mode. Check this as it’s a common reason for this problem

  • A weak internet connection can also be the reason for this problem. Check it and do the needful

  • Check if there is a security concern with the app which is responsible for this problem

  • Check if the problem you are facing is just there because you haven’t inserted the card properly in the phone

  • Loading the microSD card with inappropriate and corrupt data or the one which is not supported by the phone can be another reason for this problem

  • Make sure the card you are using is actually in working condition

  • Do check if this problem can be solved simply by ejecting and inserting the card again in the phone

  • One of the reasons for the micro-SD card-related common problems in Samsung Galaxy M21s is the presence of a virus in the data stored

  • Open settings and check if any kind of restrictions are imposed on the microSD card or the phone

  • Check if the card you are using is not supported by the device or if it is having a physical damage

  • Do check if this problem is there just because your phone can’t handle the memory card with the same storing capacity you are using

  • If the other methods don’t work, format the card and check if this solves the problem

  • Check if the camera lens is dirty. This can be a reason for the problem in your device

  • One of the reasons for the Video-recording related common problems in Samsung Galaxy M21s is the low storage space available. Check and empty the same

  • Running the camera app in custom settings can be a reason for this problem in some cases

  • You need to make it sure the problem is not caused just because your Samsung Galaxy M21s camera lens is physically damaged

  • There are certain chances that the problem is caused because of a software issue in the device. Update the OS if a new version is available and check if this fixes the problem

  • Turn ON airplane mode and check if videos can now be recorded. If so, simply close everything running in the background and close notifications. Restart your device after this

  • The problem might be there because you are using a third-party camera app your device cannot fully support. Check the same

  • Restore all settings to default in video recording settings and check if the problem is gone

  • Make sure the contact you are sending the message to is not blocked

  • Check if the problem is there just because the message center number for the network operator is not correct or missing in your Samsung Galaxy M21s settings

  • Simply clean the message app data and check if the problem is solved

  • Erase some older messages that are no longer required and check if this works

  • Restarting your device may solve this problem. Try it and check

  • Remove the SIM card from your device and reinsert. This may solve the problem. Try it

  • Check if the problem is from the network provider’s end

  • This problem might be there because the Airplane mode on your device is turned ON. Check and turn it OFF

  • Eject the SIM tray and reinsert after 10 seconds. This may fix the problem

  • Reset the network settings to default in case you recently customize them and check if this works

  • Phone calls-related common problems in Samsung Galaxy M21s are caused often when the network selection mode is set to manual mode. Switch it to automatic and check if this fixes the problem

  • You might have blocked the phone contact you are trying to call. Check this in the block list

  • Simply restart your device and check if this fixes the problem

  • Make sure the call barring option is not turned ON because this can be a reason for this problem

  • Install any pending software update and check if this helps you to fix the problem

  • The reason for this problem might be a lack of calling credit. Check and fill the same

  • Check if you are violating any WhatsApp user policy

  • Switch to default settings in the settings and check if this works

  • Check if the WhatsApp storage on your Samsung Galaxy M21s is completely filled. Erase some data and try again

  • Sometimes this problem is caused when a user login on the same account through multiple gadgets. Make sure you have not logged in to your account from a PC/parallel smartphone at the same time

  • There are chances that you are running WhatsApp on an outdated OS. Check and take the action required

  • Simply switch to the latest WhatsApp version if you haven’t installed its updates for a long time

  • Make sure something is not wrong with your internet connection

  • Clear the WhatsApp cache data and check if this fixes the problem

  • WhatsApp related common problems in Samsung Galaxy M21s are caused in some cases when VPN is turned ON. Turn it OFF and check if the problem is gone