How does Telecom 3G upgrade 4G?

Three ways of telecom 4G upgrade. First, online application can go to the online business hall to apply for upgrading the 4G card and find a 3-liter and 4-liter entrance. Here, take Jiangsu as an example;

Enter the mobile phone number to be changed and the accepted verification code on the application page after entering, and then enter the next page;

Choose to change a 4G card, then fill in the address and other information, you can get a 4G mobile phone card, and then change the card according to the steps;

2. After getting the mobile phone card through self-service card replacement, insert the mobile phone card into the mobile phone and send "HK+ original mobile phone number" to10659157;

Then take out the 4G card, insert the original 3G card into the mobile phone, and check the SMS verification code to change the card;

Take out the original 3G card, reinsert the 4G card into the mobile phone, and send the "YZ verification code" to 10659 157.

Restart the phone to complete the upgrade function of 4G.

Third, the offline business hall operation finds the business hall, and then tells the salesperson to change the 4G card.