1 1 How to book a 4G card by SMS?

1 1 SMS booking for 4G card is as follows: 1, edit SMS 28 1 send to 1 1 reserve 3G to upgrade 4G card replacement service,1/reply SMS as follows: 4G card. Contact customer service staff to confirm the upgrade method within 2 working days (keep the original package upgrade or replace the 4G package to upgrade the 4G card); 3. After the communication is confirmed, send the card; 4. After receiving the card, call 4-8-2 189 to apply for activation. If there is no active contact for more than 72 hours, the customer service staff will take the initiative to contact and activate; 5. After activation, the 4G card can be put into the 4G mobile phone for use. For more service benefits, click on "official website" customer service 324 below to solve it for you.