Garmin StreetPilot C550 In order to update your GPS device: Garmin StreetPilot C550 with the latest update, follow next instructions. First of all, be sure you got the update file for your Garmin StreetPilot C550 device, downloaded from SpeedcamUpdates.com. If still haven't got it, you can get it now filling the form you see on this page. Microsoft Exchange No Se Encuentra Disponible En. • Extract files from the SpeedcamUpdates zip package. If the file you have downloaded is not a ZIP file means the file is already decompressed, and you can continue with the next step of this installation instructions. For your information In orden to transfer the speedcam database information to your Garmin StreetPilot C550 device you have to use POI loader application. Click next link to download it.