Update Your Phone - Samsung Galaxy S 4 User Manual

Update Your Phone

Use System Updates to update your phone's software, firmware, PRL (preferred roaming list),
and more.
1. Press and tap
2. Tap System Update to use these options:

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.

Update Samsung Software: Upgrade to the latest software available for your
device.

Update Firmware: Update your phone's firmware. Follow the prompts to download
and install the update.

UICC Unlock: Unlock your device's Universal Integrated Circuit Card.
Tools and Calendar
> Settings > More.
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