You can check if there are updates available for your phone software or for individual applications, and then download and install them to your phone (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.
Select and hold an update.
Select
.
Select
> Mark updates and the updates you want to install. All updates are selected by default.
Select
> Settings > Auto-check for updates.