Portable Wi-Fi hotspot is a feature that can enhance your mobile computing experience. It is a simple and fast way to share your phone's internet connection with other devices. However, before using this feature, you need to configure it. This can be done by going to Settings and selecting Tethering & portable hotspot. From there, you can set up your Wi-Fi hotspot by changing the name of your phone's Wi-Fi network and securing its Wi-Fi network.

To change the name of your phone's Wi-Fi network and secure its Wi-Fi network, go to Settings > Wireless & networks > More > Tethering & portable hotspot. Make sure Portable Wi-Fi hotspot is checked and touch Configure Wi-Fi hotspot. The Configure Wi-Fi hotspot dialog opens. You can then set your name and security options. This will help you to personalize your Wi-Fi network and protect it from unauthorized access.

It is important to note that subscribing to a smartphone data plan is required for users of some telecommunication firms. This means that you need to have an active data plan on your phone to use the Portable Wi-Fi hotspot feature. Once you have set up your Wi-Fi hotspot, you can turn it on and off by touching the Portable Wi-Fi hotspot icon. This will allow you to share your phone's internet connection with other devices, such as laptops, tablets, and other smartphones.

In conclusion, Portable Wi-Fi hotspot is a useful feature that can improve your mobile computing experience. It allows you to share your phone's internet connection with other devices, making it easier to stay connected on the go. However, before using this feature, you need to configure it by changing the name of your phone's Wi-Fi network and securing its Wi-Fi network. Additionally, you need to have an active data plan on your phone to use this feature.