The fingerprint scanners are not only reserved for the top-notch smartphones nowadays. Even a mid-range device can come packing in this security hardware. Technology has improved a lot, so the fingerprint scanners aren’t a big deal.Moreover, developers have also started implementing the fingerprint scanners in their applications.  So if you happen to have purchased an Android phone that has a fingerprint scanner, here are ways it can come in very useful.

Authenticate purchases on Play Store

Authentication purchases on the Google Play Store is vital since otherwise, kids playing games on your smartphones can accidentally purchase an app or anything else. Previously, the Google Play Store allows you to confirm the purchases by entering your password. However, this is a time-consuming process and that is when the fingerprint scanner comes in handy.To activate the scanner in Play Store, head to Play Store Settings and activate ‘fingerprint authentication’.

Lock applications

You can make use of a fingerprint scanner to unlock a locked application. This is more efficient than using a PIN or a pattern. While Android doesn’t allow you to lock or unlock individual applications through a fingerprint scanner, you can do that through a third party applications. Some app lockers like Fingerprint & password and App Lock allow you to easily unlock applications using your fingerprint.


Banking applications are used a lot in making transactions and payments. Entering a PIN or password every time you need to use the app is quite a hassle. Furthermore, someone can steal your phone and manage to crack your password. That can be scary, right?However, with a fingerprint sensor, everything is under your control. You just have to tap the app to making transactions and payments.

Password Managers

These are applications that allow you to store passwords in a single and secure place. The applications are very safe, but fingerprint authentication makes things better. Adding a fingerprint scanner lock makes sure that not even a single person can go ahead and access your passwords.There are several password manager applications which support fingerprint authentication. Some of them are Authenticator Plus and LastPass.

Check out with the Android Pay

Android Pay services allow you to make use of your credit card in making purchases. What makes it great is its integration with the fingerprint scanner. Instead of typing a password and PIN every time you make a purchase, you can use the fingerprint scanner to verify a payment quickly.
Source: TalkAndroid

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What's my model number?

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On your device, go to Settings, then "About device" and scroll down to "Model number"
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Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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