The easiest way to update your plan is through our Account Portal: https://account.lightwire.co.nz. Log in and click the Change Plan button. 

You can request a plan change by sending an email to support@lightwire.co.nz or calling us on 0800 12 13 14. You can also contact us through these channels if you can't access our Account Portal.

If you want to downgrade your plan to a smaller data allowance, this downgrade will take effect at the beginning of the next month.