How to Upgrade an Android

10 second summary

1. Connect to Wi-Fi.
2. Open Settings.
3. Tap About device.
4. Tap Software update.
5. Tap Check for updates.
6. Tap Update and then Install if prompted.

Step:

1..Make sure that You are connect to the Wi-Fi.
2.Then open your Android Settings.
3.Scroll down and tap About device.
4.Tap Software Update.It's at the top of the screen.
5.Tap check for update.
6.Tap the Update option if prompted.
   If you don't see an Update button, your Android device is  up- to-date.
7.Tap Install or Upgrade when prompted.