Go to www.myvodafone.com.au in your phone’s web browser.
Log in using your mobile number and My Vodafone password.
If you’ve forgotten your password, you can reset it online.
From the My Usage page, tap the menu button in the top right corner and then select ‘Account Settings’.
Select ‘Manage Add-ons’ from the 'Service' menu.
Select 'More data with a one-off data booster'.
Select the booster you'd like to add, then 'Buy add-on'.
You'll be sent a TXT to confirm it's been added.
You can check your remaining booster balance on My Vodafone or by calling 1512.