how to know user locati开发者_StackOverflow中文版on via sms from server without any applications installed in mobile
This is not possible. This will never be possible.
Get the user to type their postcode/zipcode etc in the SMS, then detect and parse it at the server.
I would look into Location Based Services (LBS)
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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