To be able to set up Two-Factor Authentication via SMS, you would need to verify your mobile number.
Click here to see the step-by-step guide on how to verify your mobile number.
- Tap Settings.
- Tap the box next to Enable 2FA via SMS.
- Enter the Six-Digit Code that was sent to your phone and click on Submit. If you did not receive the code, you can resend the code by clicking Resend OTP.