WhatsApp has more than 2 billion users all over the world. It is the most popular messaging app in the world. Recently, WhatsApp has updated many of its features regarding security so that your data could not be stolen. You can also save your data by changing some settings on your WhatsApp.
This is a great feature of WhatsApp from security purposes. To activate this feature, go to your WhatsApp settings. Go to the account option here. After this, you have to create a passcode of 6 numbers. After this, whenever you reset your phone, you will have to enter a passcode of 6 numbers to login again.
Use FaceID Lock / TouchID
Nowadays most of the smartphones have FaceID lock / TouchID lock. You can also use this feature to lock WhatsApp. With the help of this feature, no other person can open your WhatsApp unless you want to. To activate the feature, go to Settings and go to Account Options. After this, go to the privacy option. Activate this feature from here.
Hide profile photo / last seen
You can hide your profile photo and last seen status in your WhatsApp. With this help, no one will be able to see your profile photo and last seen status unless you want to. Also, it will not be known when you were active on the last WhatsApp. To activate this feature, go to the Settings option. Go to the account there and choose the privacy option. After this, you will see the option of last seen. Nobody should go there.