How to purchase Roaming Pass via *800*3#?

BEFORE DEPARTURE:

Make sure you turn off Data Roaming or Cellular Data/Mobile Data on your mobile phone

UPON ARRIVAL:

Step
1

Dial *800*3#

Step
2

Select Roaming Pass from the menu list and confirm your purchase

Step
3

You'll receive a confirmation SMS to notify you of a successful Roaming Pass purchase

Step
4

Manually select the specified/applicable network operator

Step
5

Turn on Data Roaming or Cellular Data/Mobile Data on your mobile phone