The mobile hotspot feature allows your Android phone to share its cellular data connection by creating a Wi-Fi network. You can access via Wi-Fi on other devices mobile, laptops, computer etc. You must be on cellular data before on Wi-Fi hotspot.
Follow below steps to on Wi-Fi hotspot on your device
1. Open Setting and choose More options
2. After click More ,then open Tethering and portable hotspot
3. Now checked Portable Wi-Fi hotspot (Mobile hotspot). After check Portable Wi-
Fi hotspot your device Wi-Fi hotspot is on. Make sure that your cellular data is on for
access internet via Wi-Fi.
4. You can set security and password for access your data pack throw Wi-Fi hotspot. Set Network Name which will be show on other devices and set password for access data pack via Wi-Fi.