Zalo has now provided a 2-layer authentication feature on Zalo, to increase the security of your personal account when logging into your Zalo account on a strange device. If your Zalo account is logged in on a strange device, you will be asked to enter an activation code. So, along with the 2-layer authentication feature on Facebook or 2-layer authentication on Instagram, you will now feel secure with Zalo when your account is upgraded with more security features. The article below will guide you to enable 2-layer authentication on Zalo.
Instructions for enabling 2-layer authentication on Zalo
Step 1:
At the interface on Zalo we click humanoid icon in the lower right corner of the screen. Next, switch to the new interface and click on it cog icon in the top right corner.


Step 2:
Then, in the interface as shown below, the user clicks Account and Security section. Now you come to find it 2-Factor Authentication option and by default this feature is off.


We will Slide the white circle button to the right to activate 2-layer authentication on Zalo. After turning on this feature, the mode requiring entering 2-factor authentication code on Zalo is activated.
In case users log in to their Zalo accounts on unfamiliar devices, the first time they log in to Zalo, after entering the phone number and login password, the application will send an authentication code to your phone message and Need to fill in OTP code to confirm account login.
Step 3:
In case you do not want to use the 2-factor authentication feature on Zalo anymore, just do so turn off feature This. At that time, Zalo will ask if you agree to turn off 2-factor authentication, Click Agree to confirm.
The 2-layer authentication feature on Zalo helps limit unauthorized logins to Zalo accounts, along with remote account logouts on Zalo,… When logging into Zalo on another device, it is required to enter correctly. The security code will be sent to the phone number registered for the Zalo account to be able to log in successfully.