Enter the TruBit application.

Once inside the Home screen, tap the Me button, located at the bottom right of the screen.

Next, you will see your profile screen, tap the Security option.

Within the Security menu, select the SMS Authenticator option.

Enter your phone number.

Tap the Send button, to send the verification code by SMS to the new mobile number, and also enter it in this field.

Select, in order, the images that are shown below.

Enter the verification code you received by SMS.

In the same way, tap the Send button, to send the verification code to your email account and capture it within this field.

Select, in order, the images that are shown below.

Also tap the Send button, to send the verification code to the new telephone number you want to register, once received, you must capture it.

Tap the Bind button to execute the change.

Finally, the system will send you a message confirming the change and will return you to the initial screen of the Security menu.