Joke Collection Website - Blessing messages - How does Unicom mobile phone card use SMS to open traffic?

How does Unicom mobile phone card use SMS to open traffic?

Edit SMS: KTGPRS5, go to 100 1 1, open 5 yuan traffic packet, open 10 yuan, and change the number from 5 to 0 in 20 yuan.

With 3G card, 300MB of traffic is in it ~ ~

Others, 2G is enabled, and the card sends SMS: KTGPRS5, to 100 1 1, 5 yuan traffic packet, 10 yuan, 20 yuan.