A Wi-Fi hotspot is a location where people can connect to a network. You can create a Wi-Fi hotspot yourself with your device, using your mobile datas. 

Android 9
Step 1:  Open the  settings
Step 2:  Tap on  Network & Internet
Step 3:  Tap on  Hotspot & tethering
Step 4:  Tap on  Wi-Fi hotspot
Step 5:  Activate or deactivate  Wi-Fi hotspot
  1. Open the settings
  2. Tap on Network & Internet
  3. Tap on Hotspot & tethering
  4. Tap on Wi-Fi hotspot
  5. Activate or deactivate Wi-Fi hotspot

Android Instructions
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