Why do mobile phones have fingerprint scanners?

Mobile phones have fingerprint scanners primarily for security purposes. Here are a few reasons why fingerprint scanners are included in mobile phones:

1. Device security:

Fingerprint scanners provide an additional layer of security to protect the user's personal data and sensitive information stored on the phone. By using biometric authentication, such as a fingerprint, it becomes more difficult for unauthorized individuals to access the device.

2. Convenient unlocking:

Fingerprint scanners offer a quick and convenient way to unlock the phone. Instead of entering a passcode or pattern, users can simply place their finger on the scanner, saving time and effort.

3. App and payment authentication:

Fingerprint scanners can be used to authenticate access to specific apps or authorize payments. This adds an extra level of security to sensitive apps like banking or payment apps, ensuring that only the authorized user can access them.

4. Privacy protection:

Fingerprint scanners help protect the user's privacy by preventing unauthorized access to their personal data, messages, photos, and other sensitive information stored on the phone.

5. Secure mobile payments:

Many mobile payment systems, such as Apple Pay or Google Pay, utilize fingerprint scanners to authenticate transactions. This ensures that only the authorized user can make payments using their device, adding an extra layer of security to mobile payments.

Overall, fingerprint scanners on mobile phones enhance security, convenience, and privacy for users, making them an essential feature in modern smartphones.