Two-factor authentication adds an additional layer of security to the authentication process by making it harder for attackers to gain access to a person's devices or online accounts because, even if the victim's password is hacked, a password alone is not enough to pass the authentication check.
To activate 2-step authentication on your OBDeleven account follow the steps below:

Open Profile by pressing
.

Start the activation of 2-step authentication by pressing
.


You will need to install Authy, Google Authenticator, or any other trusted app to generate an Authentication code.
In this case, we will be using Google Authenticator.
Install the application and proceed via OBDeleven application by pressing
.

Copy the code by pressing
. It will be copied to your clipboard.
Proceed the steps by pressing
.

Open the Google Authenticator application which you have downloaded before.
In the marked field
you will need to enter your account name (you can name it whatever you like) and paste the key code from OBDeleven application
.
Add the account by pressing
.
Once you will enter the code and apply it, the Authenticator will generate a six-digit code every 60 seconds.

Enter the generated code from your authenticator application
.
Apply it by pressing
.

Save your backup code in case you will have issues creating an authentication code and proceed by pressing
.

Finish the setup by pressing
.
The example of using 2-step authentication when logging in to your account:

Enter the email and the password and sign in by pressing
.

Enter the code generated by the authentication application and apply it by pressing
.
If you are not able to generate the code, you can use your backup code by pressing
.