I sent my iQue3600 in for repairs unit number 6763741 and Garmin exchanged that unit for a different unit number 67374210. It appears as though I need a new unlock code for the new unit. The unlock code was not provided. Can you help or do I need to make a phone call to speak directly to a tech?
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Re: Map Unlock Code
Garmin normally replace your unit with a refurbished unit. Yes call Garmin and ask for a new unlock code. Normally they provide a new registration ID (yellow piece of paper with the unlock code for the latest mapsource map and accessories which it also included with the refurbished unit.
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First, the unit must be reformatted correctly then the appropriate system files put back on the unit, including the map. The map presents an issue because you simply can not copy a map from one unit to another. A map unlock code must be generated and that code is derived from the map ID code and the units internal serial number. We have repaired this problem many times. More info can be found here:
First, check to make sure the map file is there. The file name is gmapprom.img. It's located in the Garmin directory. It should be 1GB in size. To do this you need to connect the Nuvi to a PC with a USB cable.
Next, please tell me what year of map you have on your unit, 2009, 2010, etc.
Them, email me your units internal serial number. Its a 10 digit number (not the number on the outside). The number starts with a "3" and can be found by pressing the tools button, then system and then "about".
Unfortunately all map software is copyright protected by Garmin, so you need to get it from them. Attempting to download a newer map off a different unit will not work, as you will also need to generate an unlock code which is initiated by internal serial number of the GPS.
Did you try to upgrade your Garmin with 2008 maps? If you have the map registration code then you will have to go to garmin's website and get an unlock code. You will need the registration code and also the unit serial number before you can get a new unlock code. The unlock code is base upon your unit serial number and will only work with that unit.
Buy your map updates from Garmin, and Garmin alone.... then you can call on their excellent full customer support. They even supply you with an unlock code when you purchase maps direct from them as part of the deal. (these numbers will be recorded with Garmin, so contact them if you lost yours).
If you download maps from 'shady' sites, you get shady programs too.
Some maps downloaded have been found containing trojans to send details of your linked bluetooth products (phone details, computer details)