When you set up WhatsApp on a new device, you will need to verify the number using a unique password. You can also add an additional layer of security to your WhatsApp account by using a PIN. Before you can install WhatsApp on your smartphone, you'll need to enter the one-time password that was sent to your registered number. This will be in addition to a six-digit pin. It ensures that you have two layers of protection, and is why it's called 2-factor authentication. This is how to enable two-factor authentication on WhatsApp for Android.
How to enable two factor authentication in WhatsApp Android
Although it may seem obvious, please ensure that WhatsApp Messenger is installed on your smartphone before you start using it.
Open WhatsApp on Android. Tap the three dots in the upper right corner. Tap Settings. Source: Harish Jonnalagadda / Android Central Tap Account. Select Two-step verification. To set up your PIN, click Enable. Source: Harish Jonnalagadda / Android Central Enter your six-digit PIN. If you forget your PIN, add an email address to reset it. Click Done to confirm your email address. Source: Harish Jonnalagadda / Android Central
Your PIN will be required to set up WhatsApp again, on a new or reinstalled phone. If you forget your PIN, it's simple to reset it. However, you should make sure that you have an email address so you don’t lose access to your account.
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Great products are even more enjoyable when they don't cost anything. WhatsApp Messenger is a great example of this. It has the largest user base. It isn't the best Android messaging app, but it is still free and widely used. We recommend it because of the features it offers.
WhatsApp users can still feel secure in their privacy, even though Facebook is now owned by WhatsApp. There are many other features, such as free text messaging and VoIP calls (audio/video), an easy-to-use interface with lots of stickers, emoticons, and GIFs and the ability share a variety of files. The app allows you to send music, documents, videos, photos and links as well as APK files. You can also share your location with contacts.