You can apply for a Walk-in Code.

Considering the fact that elderly people and children without cell phones cannot present the electronic version of the nucleic acid test certificate, therefore, elderly people and children without cell phones in some areas can apply for the accompanying code, and the general users can also apply for the verification and sampling registration by using "the accompanying code" "nucleic acid code", offline "the accompanying code" in addition to the "code", "nucleic acid code". In addition to the general user to use "with the application code" "nucleic acid code", offline "with the application code" for verification sampling registration, you can also use the ID card for nucleic acid sampling registration. The use of ID cards for nucleic acid sampling registration does not affect the validity of the user's "nucleic acid code" and offline "with the application code".

There is a difference between the code with the application and the trip code, the main differences between the two are as follows:

1, the application of different objects.

The application object of the code is to provide services to the citizens of Shanghai. The application object of the trip code (communication big data trip card) is oriented to the national cell phone users.

2. The issuing units are different.

The publishing unit of the accompanying code is the Shanghai Municipality and the Shanghai Municipal Big Data Resource Platform. The release unit of the trip code (communication big data trip card) is the China Academy of Information and Communication Technology (CAICT), which is jointly released by China Telecom, China Mobile and China Unicom, the three basic telecommunication enterprises.

3, the alarm situation is different.

The alarm condition of the accompanying code is to show the different epidemic status through the red, yellow and green two-dimensional codes of three colors. The alarm status of the trip code (communication big data trip card) since January 8, 2021, is to show whether the person enters the high-risk area in the epidemic.

4. The platform for claiming is different.

The application platforms for the application code are the APP of the "application office", WeChat small program, Alipay small program, Nail and other platforms. Trip code (communication big data trip card) application platform cell phone WeChat, SMS and other ways to apply.