Currently, the standard SIM cards used in smartphones have about 256 KB of internal memory. Such small volumes will save only a limited number of contacts or text messages. However, the rest of the information is stored on the device, which can lead to its loss, especially if it is not copied to the cloud storage. However, the Chinese state telecommunications operator China Unicom together with the Ziguang Group designed and manufactured a completely new 5G Super SIM card with extended storage options. data on 32, 64 and 128 GB. The developers declare that the product can store photos, videos and back up using a special application. For corporate clients, a data encryption function will be available. Developers are not going to stop there and have already announced future SIM-cards with a built-in memory of 512 GB and 1 TB. On sale, 5G Super SIM will be launched immediately in 40 cities of China in October 2019. The price was not disclosed. It is expected that only certain models of carrier smartphones will be available for 5G Super cards, since additional software settings are required to install them.