Help, how to change the Unicom SMS package?

Generally, qualified Unicom numbers with single card without contract or other preferential bundles can handle package change business by themselves. There are different ways to change all kinds of packages, which are mainly divided into the following situations: 1. If a 2G package is changed to a 2G or 3G package, the owner must hold a valid ID card to go to the Unicom's own business hall where he belongs. 2. Changes between 3G packages. Eligible 3G packages can generally be changed through the following channels: 1. Log in to the official website homepage of China Unicom's online business hall, and click Business Processing > Package Processing > 3G package change; 2 log in to the mobile phone business hall client, and click Services > Handling > Business Handling > 3G Package Change; Bring the original valid ID card to Unicom's own business hall. 3, 2G or 3G upgrade 4G package. If 2G and 3G users need to change to 4G packages, eligible users can use their mobile phone numbers and service passwords to log in to official website, the online business hall of China Unicom, select the 4G package you need to upgrade and click "Change" to handle it. In addition to the above methods, you can also consult through the mobile phone business hall client or go to Unicom's own business hall where you belong. 4. Change between 4G packages. Eligible 4G package users can use their mobile phone number and service password to log on to the homepage of online business hall in official website, click self-service > business processing > package processing > 4G package, and select the 4g package to be changed for confirmation. In addition to the above methods, you can also consult through the mobile phone business hall client or go to Unicom's own business hall where you belong. The application for changing the package in the current month was successful, and all of them took effect on the 1st of the following month. There are differences in the business policies of package change in different cities. The business policies of Unicom, where the number belongs, shall prevail. It is suggested to contact the customer service of Unicom, where the number belongs.