How long will it take for Hunan to turn yellow after receiving short messages?

Hunan will turn yellow 24 hours after receiving the text message.

If you want to know whether your health code turns yellow, you can see the color of your health code through the "Suikang" applet or the "Yueyi" applet.

You will also receive the following SMS reminder: You have stayed in the key places with confirmed cases or asymptomatic infections in COVID-19. For the health of you and others, please go to the nearest temporary sampling point (or medical institution) for nucleic acid testing within 12 hours after receiving this information, and then test again after 72 hours. After all the test results are negative, the health code will automatically return to the green code. Please support and cooperate.