Why can’t the health code be used?

The health code is an essential tool for friends to go out now. Not having a health code will cause great inconvenience to friends in their daily lives. So what should I do if I can’t log in with the health code? Next, I will share with my friends several solutions. 1. Network problems.

The health code cannot be displayed normally. This is mainly due to network problems. It is recommended that the user check the network status of the mobile phone. You can disconnect the mobile phone network connection and then reconnect it, or directly shut down the mobile phone and restart it. Connecting the mobile phone to a 4G network or wireless LAN and turning on the health code usually solves the problem.

2. Procedural issues.

The health code cannot be loaded, which may be caused by a program problem. If there are too many people using the health code and the system crashes, you can re-enter later. If it still cannot be opened, it is recommended The user can exit the program and reopen it, or try again after a while. 3. The health code is invalid.

The health code cannot be loaded. It may be because the health code is invalid and cannot be scanned. Click "Update Now" on the QR code to refresh it. In addition, the health code has a validity period, which defaults to 7 days. When the health code expires, you need to report your health status again to obtain it again.