(Instant delivery feature) The voucher code automatically appears in the order history after the order is successful. Tri Happy Quota Voucher 3GB 3 Days -Total quota 3GB Full 24 hours -3GB National -Quota active period is 3 days from when the voucher code is first entered/used How to use: type *111*Voucher Code# then press YES/OK, congratulations, you can use the voucher :)