Telenav for Sprint Supported Devices: v5.1 for BlackBerry 7130, 8130, 8350i, 8703, 8830 Quick Start Guide - Manual (Page 3)

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Quick-Start Guide for Sprint BlackBerry 7130, 8130, 8703, 8830
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Customer Support: 1-888-353-6284
5. The next screen will collect your TeleNav account number and
Password (PIN number). Use the trackball/trackwheel to move the
cursor between the fields.
6. The TeleNav GPS Navigator Main Menu appears. Use the
trackball/trackwheel to select the TeleNav feature you would like to
use.