Question about Sony NV-U73T GPS Receiver

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GPS SONY NU-U73T

They say I have to wait for the CD to come in the mail to update firmware from 1.00 to 3.02. Anyone know where this is online instead of waiting for sony's cd?

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  • dronebee Dec 26, 2008

    you can download the program from the sony web site. It takes a bit of looking but if I can find it anyone can...

  • lukaug Dec 29, 2008

    Have you found it? Still cannot find.........

  • chipmt Jan 05, 2009

    NV-U73T

    I upgraded to software Rel 3.02 from 3. The unit hasn't worked since. I have spent hours with help desk doing and redoing and experimenting. I haven't seen this officailly and Sony won't enlighten me, But, if you have map data 2007a it isn't compatible with 3.02. Release 1 and 2 have 2007a and the new map data is in giga bytes. Because of the size it isn't practical for download so they have to send a CD or DVD. The release 3 units were to have map data 2007b so all you have to download is the software to 3.02. My unit came with 3.0 and map data 2007a, so I shot myself in the foot by upgrading to 3.02 leaving no way to update my map data. This is only my oppinion and I have opinions about stuff that I haven't even thought of yet. If you go to the SONY Canada Site you can see information mentioning 2007a and 2007b and you can order a CD/DVD. I don't know if you will get it or if it will work because it is supposed to update Release 1 and 2. My last comment: the SONY support Help Desk is sorry as can be on this issue. I was on the phone for 5 hours, off and on at 1-800-222-7669 and they denied that there is more than 2007a even though I could see both in the documents on the SONY Canada Site..

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I got files from internet to update 2009 map for my gps, but I don't know how to get them into the gps.


1. Download the SONYNAVU_U73T_3.2.CN.BIN file to a temporary or download directory.
2. Connect your nav-u personal navigation device to the computer using the supplied USB cable.
3. Power on your nav-u personal navigation device and wait until the "Connect to PC" message is displayed on the nav-u screen.
4. Start the nav-u Tool software on the computer.
5. At the "nav-u tool" window, click "Upgrade System".
6. On the right side of the Upgrade Screen, verify that the target version is 3.00.
7. On the left side of the Upgrade Screen, click the "Browse" button, and go to the directory where the SONYNAVU_U73T_3.2.CN.BIN file was downloaded and then click "OK".
8. In the "Name" box, click to select "3.02 cn NV-U73T" update, and then click the button.
9. After the update file is transferred to the nav-u device a "Transferring Upgrade file completed." message is displayed on the computer.
10. After the system software update is complete, the nav-u device will automatically shut down and restart.

Mar 18, 2010 | Sony NV-U73T GPS Receiver

1 Answer

I have a cracked screen on my GPS and now it wont work is there some way to replace the screen


i have a broken touch screen on my nav-u where can i get a replacement screen

Mar 09, 2010 | Sony NV-U73T GPS Receiver

3 Answers

Iam looking to download maps for nv-u73t


Contact me guys at: service@gps.pol.pl I have got the newest update.

Jan 15, 2010 | Sony NV-U73T GPS Receiver

2 Answers

Cant change time on gps


the time and date should set it self when you turnit on, as long as the unit was designed for use in your area then it should set to the right time.

Apr 05, 2009 | Sony NV-U73T GPS Receiver

3 Answers

Sony NV-U73T


Yes. You should ask for the free CD to upgrade and there is 2008B map on the CD, and you have to update both firmware and map.

Dec 27, 2008 | Sony NV-U73T GPS Receiver

3 Answers

Map code


I had the same problem. "Invalid Map Code", etc. I went to archos.com/gps_install, and followed the directions. I had to update my 605 wifi firmware. Once I did that, I entered my map code and map version (found the version on a .txt file on the dvd, forget which one), and followed the directions from there. Seems to be working so far, although I haven't actually taken it on the road yet (can't seem to get a GPS signal in my garage).

I'll post a follow-up once I know it's working.

Oct 22, 2008 | Archos 605 WiFi Digital Media Player

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