TLDR
WhatsApp is now Available with Fingerprint or Face Unlock for IOS and Androids. The feature is an added level of security that ensures that only you can access your WhatsApp on your mobile phone. You can even customize the time duration of unlocking using Face ID or Touch ID. For this, you are not required to register fingerprint or face again while using this feature. Just simply follow these given steps to use the feature on your Android phone. For IOS Devices, the first step is to open your WhatsApp and tap the “Account” option.via the TL;DR App
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