Topic : The Advantage of Monthly Phone Bill .
Reason : You can select the promotion which is compatible with
your usage.
Example : You can choose calling, SMS or Internet package you want
more than prepaid package.
Reason : You can use Internet continuously.
Example : You can use unlimited Internet without worry.
Reason : You don’t have to worry when the money in prepaid
card finished.
Example : You can’t call if you finish the money in prepaid card.