This article contains the following sections:

1. Set your mobile number
2. Change your mobile number

To set or update your SMS authentication, go to 'Account & Security' then click on 'Set'/'Change' on the right side of 'SMS Authentication'.

Important note:

When entering your mobile phone number, please remove the initial 0.

For example, if your number is 010 12345678, please enter it as 10 12345678.

Set your mobile number

1. After clicking on 'Set', select your country, enter your mobile number 
2. You will also need to key in a verification code (Google authenticator 2FA token/ email verification) and click on 'Confirm'.
   
3. Enter the verification code sent to you by SMS and click on 'Confirm'.
   
4. Your SMS authentication number has been set.

Change your mobile number

1. After clicking on 'Change', you will see this window below.
2. Enter your country, mobile number, Google authenticator 2FA token and click on 'Confirm'.
3. Enter the verification code sent to you by SMS.
4. Your SMS authentication number has been set.