Digital currency 5gsim card
1、 Super capacity
in the past, the function of SIM card was too single and only used for number identification, but now Ziguang 5g super SIM card has 128G super capacity storage, which can provide large capacity storage space for mobile phone users
2. One key replacement
mobile phone users can realize data backup and recovery through the supporting super SIM card app. When a user changes a mobile phone, the core data such as address book, call record, SMS and calendar, as well as the application app, can be backed up and restored with one click, and the mobile phone can be changed with one card
3. Secure storage
Ziguang 5g super Sim has financial security capability. The phone users' address book, photos, files, etc. can be safely stored in 5g super SIM card, effectively avoiding the risk of hacker Trojan theft and leakage, and the replacement machine will not be lost or leaked
The 5g super SIM card adopts enterprise level storage particles and instrial level packaging, which has rability and stability. The card purchase cost of users is much lower than the storage price difference of mobile phone body, which is economical. In addition, the form of "card" also determines that 5g super SIM card has a higher utilization rate than the fuselage storage. It can be used continuously without changing the card when changing the machine, and is more green and environmentally friendly 
extended data:
5g packages
5g packages of three major operators differentiate speed according to price, which is the first time to distinguish speed according to price. For example, China Unicom's 5g packages with price of 199 yuan or less are limited to 500mbps, the 5g packages with price of 299 yuan or more can reach 1Gbps, and the traffic beyond the packages is 3 yuan per GB
according to the 5g package announced by the three major operators, 128 yuan / month is the "starting price". China Mobile 5g personal package from 128 yuan to 598 yuan, home version package from 169 yuan to 869 yuan, each divided into five levels. The 5g packages of China Telecom and China Unicom are almost the same. The starting price of the personal package is 129 yuan, and the maximum price is 599 yuan (details are subject to the announcement of the operator)
SIM card is just an ID card when a mobile phone is connected to the mobile network. It doesn't play any role in enhancing the signal. Whether you can use 5g signal depends on whether your mobile phone has 5g antenna and 5g baseband. As long as you upgrade the package and the mobile phone with 5g function, even the 3G era mobile card can use 5g signal. The original design of SIM card is to store mobile phone contacts, It is convenient for users to change their mobile phones without losing their contacts, so the capacity is generally small. From 32KB to 64KB, and then from 64KB to 128KB, the memory iteration of SIM card is very fast, but after 128KB, it is not so fast. All kinds of mobile phones have launched their own cloud storage to save contacts. No contact will be lost when changing mobile phones or SIM cards. 5g super SIM card combines TF card and SIM card, which is not only SIM card but also TF card. It is a new type of SIM card< EM > therefore, all 5gsim cards have their own memory. Ordinary SIM cards only have about 128KB, while 5g super SIM cards have GB or even TB memory
note: there are a small number of 2G SIM card users in some provinces who do not change the card number. If they use 5g network, they need to change to USIM card (they also need to change the card if they use 4G network).
First of all, the conclusion: 4G upgrade 5g does not need to change the card, but to change the mobile phone. The SIM card we use now is mainly used as a mobile phone's Internet access permit. In fact, the mobile phone can access 4G network without a SIM card, but it can't open the door of data network without a permit. Just like now the motor vehicle itself can drive on the highway, but it must install etc to pass through the toll station with high-speed power
however, considering that the 5g network has not been officially opened, the price of 5g mobile phone is relatively expensive, and there are no applications and services specifically for 5g network, so this year is not the best time to replace 5g mobile phone. General users can wait until the end of 2020 or the first half of 2021, when 5g network is relatively mature, and the price of packages and mobile phones have come down, then consider buying 5g mobile phones< br />
note: there are a small number of 2G SIM card users in some provinces who do not change the card number. If they use 5g network, they need to change to USIM card (they also need to change the card if they use 4G network).
in addition, 5g super SIM card has official wechat service number "super SIM card", which can also be used for consultation. You can learn about the relevant introction.