How to find someone when the other party's mobile phone is turned off

1. Open the phone address book, select the contact information of the person you are looking for, and then click the Send SMS button.

2. Leave a message in the short message asking about the whereabouts and contact information of ta, indicating your urgent needs.

3. While waiting, you can try to know ta's whereabouts through other channels, such as contacting friends who travel together and looking for social media. If necessary, you can also contact relevant departments for help, such as the police and hospitals.