You can check for updates for your phone software or apps, and download and install them to your phone wirelessly (network service). You can also set your phone to automatically check for updates and notify you when important or recommended updates are available.
Select SW update.
You may need to restart your phone to finish the update.
View update details
Select and hold an update.
Install all updates
Select 
.
Select which updates to install
Select 
> Mark updates and the updates you want to install. All updates are selected by default.
Set your phone to automatically check for updates
Select > Settings > Auto-check for updates.