How long will SMS Link Beijing service expire?

48 hours. The service SMS link to Beijing expires 48 hours after it is received, and the service SMS to Beijing is sent by the community. Fill in the relevant information as required, similar to Jingxin Gang, which also needs to be reviewed, and personal information will be sent to the community neighborhood committee. The normal audit will prompt you that you do not meet the conditions for returning to Beijing. You can suspend your return to Beijing and click on the SMS link to fill in your personal information. You only get one chance.