- Tap Settings
- Tap System
- Tap Advanced
- Tap System update
When updates are available, you should receive a notification. Tap it, and it'll bring you to the System update screen. Tap Download & Install to update your phone. If your phone battery is too low, you'll have to plug it into a charger before continuing. When the update finishes downloading, tap Restart to complete the install.
If you navigate to this section and you don't see the option to download the update, tap Check for update.