Make sure you're connected to Wi-Fi . To do so, swipe down from the top of your Android's screen and look for the Wi-Fi icon; if it has a slash through it, tap it to enable Wi-Fi before continuing.
Open your Android's Settings . It's a light-purple app with a white gear on it that's in the App Drawer. The app icon may look different if you are using a different theme for your Android device.
Scroll down and tap System . It's near the bottom of the menu next to the "info" icon that resembles a lowercase "i" in a circle.
Tap System updates. It's next to the image that resembles a smartphone with an arrow pointing down on the screen.
Tap Download and Install. If an update is available, it will say System update available at the top of the screen. Tap Download and Install at the bottom of the screen update your phone.
Free up storage. If you receive the notification not enough space available, you'll need to free up space on your Android device.
Reboot your Android. You can perform a standard restart or a forced shutdown.
Retry the update. If an update begins downloading but doesn't finish, your device will try again within the next few days.
Let your device charge. Updates require plenty of power from your phone. Ensure your phone is at least 75% charged for enough battery life to complete the update.