You can connect to the internet using other android smartphone’s hotspot. To do so, first of all you need to turn on mobile data and Portable WiFi Hotspot on the other device.

Then take your device and go through these following steps:

  1. Turn on WiFi on your device where you want to use internet.
  2. Find the WiFi network, that you want to use, in the Wi-Fi network list.
  3. Connect to the WiFi Network by entering that networks password. If that wifi network is open, you don’t need to enter any password.

That’s it! Enjoy the internet using that phone’s WiFi!