What is the advantage of pre purchasing my sim card?

Besides the obvious reason of receiving your number in advance the biggest advantage is that there is no waiting once you have arrived for your sim card to be active as this is all done for you before arrival.

The Networks advise that you may have to wait 24 hours before your sim card is active when purchasing on arrival.

How long will my data stay valid for?

Data expires after 30 days from the date that the order is loaded. An order is generally loaded 1 to 2 days prior to collection date on the order.

How long will my sim card stay active for?

Your sim will stay active indefinitely as long as its being used however should there be no usage in a 3 month period the sim card will deactivate and you will need to purchase a new one on return.