Simply login to your giga app & click on the Add-ons tab > Select and purchase gigaRoam APAC (1GB for $5) or gigaRoam ROTW (1GB for $15) accordingly. Upon purchase, your gigaRoam packs will immediately be added to your line and will auto-activate when you arrive in your travel destination!

The full list of supported destinations can also be viewed on your giga app's roaming/IDD tab.