In order to use postpaid top up, you need to do the following on the Epre application.
Please follow the steps below to top up.
(1) Tap "Top up" on the home screen
(2) Tap "Postpaid top up"
(3) Register your email address (only for the first time)
(4) Register your name and address on the application screen
(5) Agree to the terms of service
(6) Enter the top up amount
(7) Tap "Agree and top up".
(8) Top up completed