To activate the Wi-Fi on your smartphone or tablet, follow the steps below:
Swipe down from the top of the screen with one finger and tap the icon in the top-right corner, or swipe down with two fingers to avoid the notification area (depends on the model number and manufacturer of the device)
Tap the Wi-Fi icon; * The quick access menu's appearance is different from one device to another, but, the icons are the same as the ones shown below
To deactivate the Wi-Fi, repeat the steps above.
Alternatively, you can watch the video guides below.