The steps to change the health code across provinces are as follows:
1, WeChat:
2. Open WeChat, click "I" on the page, and then click "Pay";
2. Open WeChat, click "I" on the page, and then click "Pay";
4. Switch the region to the correct city, and then click "View Epidemic Prevention Health Code";
5. In the switching interface, you can get your health code according to the prompt.
6. Alipay:
7. Open Alipay, click "More", and then click to enter the health code interface;
8. Click "Other Areas" in the upper right corner, select the correct city, and click "View Now";
9. Then apply for a health code according to the prompt.