Sharp AQUOS Crystal User Manual
Page 88

Basic Operations
79
2. Touch System updates to use the following options:
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Update PRL: Download the latest Preferred Roaming List (PRL), used by your phone to
access the network.
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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.
Note: If your data services or account syncing ever seems to go out unexpectedly, use this feature
to reconnect with the network.
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Update Sharp software: Upgrade to the latest software available for your phone.