It is possible in unity to upload a data to server?
Example: Smartphone is updating his profile, and it will be save to server using wifi/bluetooth/wifi-hotspot…
Please anyone help me… I’m new here. 
Yes, it’s absolutely possible. A common approach (which I myself use for high scores in Rocket Plume) is to use a UnityWebRequest to communicate with a web service on the server.
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There are a few prebuilt backend services out there, that may save you some significant work. A lot of these have integrations with Unity.
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Thanks for your time! 