Samsung SMT-W6100 Getting Started Manual page 24

After you set up the SMT-W6100 for the first time, it may take up
to fifteen (15) minutes for the automatic download of the
configuration files to complete. During the download process, the
phone's screen may display a progress bar and the phone may
reboot more than once. Do not shut the phone off during this
process.
When your phone number displays on the screen, the download process is complete, and your phone
is ready to make calls.
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