Samsung Galaxy S 5 User Manual page 131

Wi-Fi only: When enabled, your phone will only download updates when your phone is

connected to a Wi-Fi network.
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
phone.
UICC Unlock: Unlock your device's Universal Integrated Circuit Card.

Tools and Calendar 120