New features have been continuously adding WhatsApp to give a different experience to its users, so that this app can be made better for its millions of users. Google has also added new features for privacy and security on the app. Recently, the company has introduced a new biometer authentication option in its Android app, with the help of which unauthorized users will be prevented from accessing your WhatsApp. These features were introduced in iOS in February this year.
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The fingerprint lock feature of WhatsApp gives users the option to encrypt app access, with the help of this (or any other authoritative user) the option of secure biometric authentication. It works just as easily as you scan a fingerprint to unlock your smartphone. For this, the app uses a built-in fingerprint reader and after fingerprint reading allows the app to access after verification. In iPhone, this feature uses Touch ID and FaceID.
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If talking about the iPhone, then before turning on this option on WhatsApp, be aware that the latest WhatsApp version (2.19.20) should be installed in your device. After this, go to WhatsApp settings and tap on Privacy. Now scroll down to the screen lock feature and turn this toggle on. After this, you will be able to unlock and use WhatsApp only with the help of TouchID or Face ID.
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Apart from this, the latest version 2.19.221 should be installed on WhatsApp on Android device for Android users. After that go to the settings of the smartphone and select the account. Tap on Privacy here. In this header, you will see 'Fingerprint Unlock' feature and by enabling it you can confirm whether you want to use this feature for WhatsApp. If you do not see this option, then in some devices, you will have to go from Settings to Utilities and after tapping on App locker, you will have to enter the PIN of the device. Here you can select WhatsApp by going to the additional application.
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