1. Visit spintel.net.au
2. Login to My Account by selecting Customers and then My Account.
3. On the dashboard, click Manage service on the Mobile service you want to add a Data Block.
4. Scroll down to Service Management, then select Purchase a data-block
4. Choose the Data Block size you wish to add, then select the preferred mode of payment
5. Click Purchase A Data-Block to proceed.
Once payment has been approved, a confirmation will be displayed in My Account.