How big is the storage space of 40G in the package?

Hard disk space for system files and other files.

In recent years, with the decline of traditional services such as SMS and telephone, China Mobile, China Unicom and China Telecom have shifted their business focus to mobile phone traffic and broadband services respectively, and the competition has become increasingly fierce. Each company has tried its best to win new and old users. With the rapid decline of demographic dividend, the three major operators began to enter the era of stock users, and they are all accelerating the migration of 2G/3G users to 4G.