How to Update a Navman F20

By Melissa King

Download map updates to your GPS system using a USB cable.
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The Navman F20 is a GPS navigation device that includes a points-of-interest database that displays tourist attractions, hotels and restaurants. Software updates are occasionally released to fix errors or add features. As of October 2010, the latest update is Service Pack 2, or SP2.

Step 1

Go to and select “North America,” then “USA.” Click on “Software Updates” under the “Customer Support” heading.

Step 2

Scroll down to the “F-Series Software Update (SP2)” box. Click “Download Software Update,” then “Save File.”

Step 3

Connect the F20 to the computer with a USB cable. Wait for the computer to recognize the device. Open the update file. Choose a language and click “Next” twice. Agree to the terms and conditions, and click “Next” three more times, then “Install.”