Does the "two-in-one code" referred to by the subject refer to health code and travel code?

This has nothing to do with the brand and model of the mobile phone.

1. Open Alipay and search for "National Government Service Platform"

2. Click to enter "Epidemic Prevention Health Information Code"

3. Click "Get Now" to enter the coding page of epidemic prevention health information.

4. Click to verify the "Traffic Big Data Travel Card" to view the double code information.

If you mean the unique setting of one plus nine system, the steps are as follows:

1. Click Privacy in the phone settings menu.

2. Click on the system avatar.

3. Click to create a system doppelganger.

4. Enter the screen lock password, wait a second or two, and the system avatar will be created.

5. After creation, you need to set a password different from the main system to enter the avatar system (the avatar is exactly the same as the main system, and you can't get it back if you forget the password).