How to generate a Shanghai QR Code for a foreign 3y old kid?

1. How do I get a QR code for Shanghai?
2. How do I get a Shanghai Health Code?
3. How do QR code readers work?
4. What QR codes are used for?

How do I get a QR code for Shanghai?

Shanghai

1. Download App “Alipay” on Your Mobile. ...
2. Click “All” at Home Page to Check All Apps.
3. Find “HealthCode” in “Convenient Life”
4. Click “同意并认证” (In English: Agree and Verify) ...
5. Get the Health QR Code Successfully (A green code means you're allowed to travel to this destination.)

How do I get a Shanghai Health Code?

Step 1: Make sure you are a verified user on the Account page. Step 2: Click “More” on the home page. Step 3: Click “City Service” on the Application page. Step 4: Click the second icon from the left on the Shanghai Service page to apply for the code.

How do QR code readers work?

The analog signal is converted by the sensor into a digital signal. The digital signal is then interpreted by the decoder. The decoder then sends the information to the computer attached to the scanner. In the case of QR code scanner, the decoder sends the information to your mobile phone instead of a computer.

What QR codes are used for?

QR codes are frequently used to track information about products in a supply chain and – because many smartphones have built-in QR readers – they are often used in marketing and advertising campaigns. More recently, they have played a key role in helping to trace coronavirus exposure and slow the spread of the virus.