Telenav for AT&T Supported Devices: v5.2 for Windows Mobile; HTC 8525, 8925; Samsung BlackJack 2 Quick Start Guide - Manual (Page 4)

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Quick-Start Guide for AT&T Windows Mobile
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Customer Support: 1-888-353-6284
Removing TeleNav GPS Navigator and TeleNav Maps
Do the following steps to remove the TeleNav application from your device.
1. Go to Start Menu and choose “Settings.”
2. In the System tab, choose “Remove Programs” (you may
need to scroll down to see this item).
3. In the list, highlight “TeleNav” and click Remove.