Finally, follow the on-screen instructions to download and install updates on your phone.<\/li>\n<\/ul>\n\n\n\nWipe Cache Partition<\/h3>\n\n\n\n Most of the time, the issue is with the cache memory of the phone present in the form of corrupted data. To clear the cache data completely, you should enter the recovery mode and do wipe cache partition on your phone.<\/p>\n\n\n\n <\/figure>\n\n\n\n\nTurn OFF your smartphone.<\/li>\n\n\n\n Next, press and hold the “Power” and “Volume UP” buttons until you boot into recovery mode successfully.<\/li>\n\n\n\n Further, select the “Wipe Cache Partition” option with the help of the “Volume” and “Power” buttons.<\/li>\n\n\n\n Now, reboot your phone by selecting the “Reboot the System Now” option.<\/li>\n<\/ul>\n\n\n\nMake Default Payment Service<\/h3>\n\n\n\n If you are unable to make payments using NFC, then you might need to check the default payment method selected for NFC. <\/p>\n\n\n\n
When trying to make a payment using NFC with a particular NFC app and it fails suddenly, then you should check whether the particular NFC app is selected as the default contactless payment or not.<\/p>\n\n\n\n
In a nutshell, if you want to use any NFC app, then you should first make it your default payment service in the NFC settings on your smartphone. <\/p>\n\n\n\n
Here’s, how you can do that,<\/p>\n\n\n
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<\/figure><\/div>\n\n\n\nHead over to the “Settings”<\/strong> on your smartphone.<\/li>\n\n\n\nNext, tap “Connections”<\/strong>.<\/li>\n\n\n\nNow, you will be able to see the “NFC and contactless payments”<\/strong> option. Just tap on it.<\/li>\n\n\n\nAfter that, tap the “Contactless payments” <\/strong>option.<\/li>\n\n\n\nHere, you will find the list of all the available NFC payment-supported apps on your phone.<\/li>\n\n\n\n Choose the desired NFC app from the list, you want to use as your default payment service.<\/li>\n\n\n\n Finally, follow the on-screen instructions and you are good to go.<\/li>\n<\/ul>\n\n\n\nFactory data reset is the most effective method to eliminate any issue you are encountering. This method wipes all the data and set all the settings to default on your smartphone. <\/p>\n\n\n\n
So what you get after performing a factory data reset is the fresh beginning of your smartphone and feels like you have just unboxed it.<\/p>\n\n\n\n
Things to consider before factory data reset:<\/p>\n\n\n\n
\nCharge your phone.<\/li>\n\n\n\n Back up your important data.<\/li>\n<\/ul>\n\n\n\n
<\/figure><\/div>\n\n\nHow To Perform Factory Data Reset on Samsung Galaxy A21s?<\/h4>\n\n\n\n\nHead over to the “Settings”<\/strong> on your smartphone.<\/li>\n\n\n\nNext, tap “General Management”<\/strong>.<\/li>\n\n\n\nScroll down to the bottom and you will see the “Reset”<\/strong> option. Just tap on it.<\/li>\n\n\n\nHere, you will see various reset options.<\/li>\n\n\n\n Tap on the one labeled “Factory Data Reset”<\/strong>.<\/li>\n\n\n\nNow, it will provide you with a list of information stating that all the data will be erased from your phone.<\/li>\n\n\n\n Simply scroll down to the bottom and tap on the “Reset”<\/strong> button.<\/li>\n<\/ul>\n\n\n\nWait for the process to complete, once it finishes, 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.<\/p>\n\n\n\n
Bonus Tip: How To Transfer Files From Samsung Galaxy A21s To Other Devices Using NFC?<\/h2>\n\n\n\n After the release of Android 10, it has been noticed that Android Beam is no longer available to serve for sharing data such as photos, videos, audio, and other files using NFC. <\/p>\n\n\n\n
Therefore, it is not possible to share data with other devices on your Samsung Galaxy A21s using NFC.<\/p>\n\n\n\n
Android just came up with an Alternative feature known as Nearby Share. It allows you to share Photos, videos, audio, apps, and other files with other devices that have Nearby Share enabled. It’s very simple to share things with this features.<\/p>\n\n\n\n
How To Enable Nearby Share on Samsung Galaxy A21s?<\/h3>\n\n\n\n Step 1:<\/strong> Head over to “Settings->Connections”<\/strong>.<\/p>\n\n\n\nStep 2:<\/strong> Next, tap on “More Connection Settings”<\/strong>.<\/p>\n\n\n\nStep 3:<\/strong> Here, at the top, you will see “Nearby Device Scanning”<\/strong>. Enable it by tapping on the toggle button.<\/p>\n\n\n\nHow To Transfer Files Using Nearby Share on Samsung Galaxy A21s?<\/h3>\n\n\n\n Step 1:<\/strong> You need to select the files, photos, videos, or apps to share.<\/p>\n\n\n\nStep 2:<\/strong> Once, you have selected so, tap on the “Share”<\/strong> button.<\/p>\n\n\n\nStep 3<\/strong>: Now, select “Nearby Share”<\/strong> among other available options.<\/p>\n\n\n\nStep 4:<\/strong> Your device will automatically initiate the searching process to search for the available device with nearby share enabled on it.<\/p>\n\n\n\nStep 5: <\/strong>Tap on the device name to select the desired device you want to share things with.<\/p>\n\n\n\nStep 6:<\/strong> After that, the selected device will receive a notification. <\/p>\n\n\n\nStep 7:<\/strong> Once he accepts the notification, the files will be transferred successfully.<\/p>\n\n\n\nConclusion<\/h2>\n\n\n\n We have covered all the fixes in detail to eliminate the NFC-related issues on Samsung Galaxy A21s. Before going to step into those detailed fixes, you should try out these things in the first place to check whether the problem gets resolved or still persists.<\/p>\n\n\n\n
Perform Soft Reset<\/strong> -><\/strong> Press and Hold the <\/strong>“Power” and “Volume Down” buttons simultaneously until the power options appear on the screen. Now, select the “Restart”<\/strong> option to reboot your smartphone. <\/p>\n\n\n\nClear Cache and Data of NFC -><\/strong> “Settings–>Apps–>Your Apps–>tap on the three lines at the right side->Show Systems apps->NFC->Storage-Clear Cache & Clear Data”. After that, reboot your phone.<\/p>\n\n\n\nIf the problem still persists, then you should follow the other fixes covered in detail in this guide to eliminate this issue.<\/p>\n\n\n\n