Update: Manually check for software update.
Auto update: Check for updates automatically.
Wi-Fi only: Download software updates only when connected via Wi-Fi.
Update PRL: Download and the latest Preferred Roaming List (PRL), used by your phone to
access the network.
Update Profile: Update the user profile related to your wireless service account. If you
choose to change your user name online, use this option to update the user name on your
UICC Unlock: Unlock your phone's Universal Integrated Circuit Card.
View information about your phone, including status, legal information, hardware and software versions,
and a tutorial.
2. Touch About device, and then touch items for more details:
Software version: View your phone's software version.
Hardware version: View the hardware version of your phone.
Status: View information about your phone's current status.
Legal information: Display Open source licenses, Google legal, and Privacy Alert.
Device name: View your phone's name, and enter a new name if desired.
Model number: View your phone's model number.
Android version: View the firmware version of your phone.
Baseband version: View the baseband version of your phone.
Kernel version: View the kernel version of your phone.
Build number: View the build number of your phone.
SELinux status: View your phone's current status.
Secure boot status: View your phone's secure boot status.
> Settings > More tab.