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  1. #1
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    Thumbs up Convert nuvi 1300 to 1480 jp

    This is a tutorial about converting your unit from nuvi 1300 to 1480. This will add routes option and mp3 player. Working.

    Download the jp firm here: [Only registered and activated users can see links. ]

    Using RGN_tool make a rgn version of the gcd file but replace the boot with the original (5.80).
    Dont forget to check and change the HWID to 972 and the SW version to 580 or otherwise it will not work.
    Before flashing, using the RGN voice editor, turboccc.wikispaces.com/RGNVoiceEditor edit the rgn file you created to make all the audio files you have compatible with the new firmware.

    1. connect nüvi to computer, enter .System folder, and remove GUPDATE.gcd file. You should make a backup copy. This step is very important, if you skip it, it will not work! If you can't see the .System folder, enable "show hidden and System files and folders". Remove the folder "text" of your gps. Disconect the device.

    2. download updater.exe . Make a folder and put the updater and the rgn file you've created inside. Drag the rgn file into the updater.exe.

    3. enter pre-boot menu. You can do this by connecting your nüvi with computer, immediately as Garmin logo appears, press upper left corner and keep pressing until update is made. Keep your eye on the updater because it will show your device only for a few seconds. If you dont press ok faster as soon as your device pops in the usb menu you will have to start all over again (plug/unplug)

    Wait untill the Process ends. Enjoy.

    note of the Moderator
    "Do it at your own risk !" Read the whole thread please
    Last edited by catymag; 15th April 2012 at 16:15. Reason: added warning

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  3. #2
    Garmin/GPS Systems GMod.

    Neil's Avatar
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    Did you lose Pedestrian mode etc as reported [Only registered and activated users can see links. ]? Also do you have you any problems with search?

  4. #3
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    Yeah. You lose pedestrian mode. But it add truck mode. (automobile, bicycle, truck). No problems with search. The mp3 is working perfectly. And I was able to add routes. And all my voices are working. The only problem I had was with the text folder. The gps wont work with the texts I have so I deleted that folder and its perfectly now.

  5. #4
    Important User Alexander2010's Avatar
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    But thin conversion can kill tour device. It is very dangerous! This device is not fully compatible with 1490.
    Sony SL10=>HP 1930=>1940=>Toshiba e755=>Loox N520=>Acer n311+Huawei ETS688=> Fujitsu-Siemens Loox N560 WM6=>Dell Axim x51v=> Huawei s7 s-105 (FW 2.2.2 Sweden) + Nokia N78. Garmin Forerunner 405. I love flash Garmin devices.

  6. #5
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    Quote Originally Posted by Alexander2010 View Post
    But thin conversion can kill tour device. It is very dangerous! This device is not fully compatible with 1490.
    What you mean with KIll. Are you saying that the gps could "die" because of the firmware. Dude its not 1490, its 1480. And the models 1300 and 1480 have basically the same hardware. Except for the tv and bluetooth module. You have to give me a good reason why do you belive the gps could die because of the conversion. Otherwise I'll not believe in you. I'm using the gps right now and its working perfectly. Fully tested and working. I'll make a long trip with the unit tomorrow and when I come back I'll make a video of the gps and post here.

  7. #6
    Important User Alexander2010's Avatar
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    You've been warned. Next to you. Every day I help people with various problems of Garmin and argue that the problems with this firmware exist. In particular, this firmware can always leave your device without a sound, although this effect was not observed in all revisions of hardware. And many device die after flashing back to normal firmware.
    Sony SL10=>HP 1930=>1940=>Toshiba e755=>Loox N520=>Acer n311+Huawei ETS688=> Fujitsu-Siemens Loox N560 WM6=>Dell Axim x51v=> Huawei s7 s-105 (FW 2.2.2 Sweden) + Nokia N78. Garmin Forerunner 405. I love flash Garmin devices.

  8. #7
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    Quote Originally Posted by Alexander2010 View Post
    You've been warned. Next to you. Every day I help people with various problems of Garmin and argue that the problems with this firmware exist. In particular, this firmware can always leave your device without a sound, although this effect was not observed in all revisions of hardware. And many device die after flashing back to normal firmware.
    Well, I don't know what to say to you. But one thing I know: I'm not experiencing any problems with my unit. I did a long trip yesterday (800 miles) and had no problems with speed tracing routes or recalculating or even listening mp3 files(since I don't have a radio in my car). The route function worked properly and I was able to use the routes previously saved using basecamp.

    More. Before I had sucess with this firmware I did test a lot of other ones in my unit (1490lmt, 1490, 1480 korean, 1480 jp pure, and many others with the gps showing the message "missing system files"), and I was able all the time to flash back to my original firmware with no problems at all.

  9. #8
    Navigation software Moderator

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    The problem is that your device is not stateless, it has a lot of places which store information, and which you can't directly access. And if one firmware ****s up something so that the other misbehaves, you will end up with one wrong bit among megabytes of configuration data. This isn't just my dream, I've seen some 13xx devices creating cr acked up GarminDevice.xml after flashing an asian firmware, and NV cleaning not helping (There is something that does help, but then you loose your UnitID and some other values).
    Btw, have you backed up your NV memory?

  10. #9
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    It's always better to follow experts and knowledgeable users advices , I've seen in the past a couple of 2x5W converted to 465 bricked after using them normally for some days. Suddenly they got bricked and nothing to do with them-
    see
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  11. #10
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    I'm not an expert. But the major problem associated with convertions is software corruption. I didn't changed everything in my unit. The boot is still 5.8 the same that came with the unit. My maps are original Brazil NT 2012. The only part of the firmware changed was the one that controls the functions. The original functions are still available with some new adictions like the mp3 or route. Other functions like bluetooth and tv are based on the files in the text folder. If you keep that folder the gps will try to boot the bluetooth and the tv module and will try to control the gps warm time when it search for the sats. Because of that your unit will not work. A GPS unit is basically a computer with rom ram and a processor. The information can not be stored permanently in all the chips. Most of the information available in the memorys is erased everytime you turn off your gps unit. + If you wait time enough the batery will loose the charge and you will safely flash your unit. I know I can't flash a unit right before use. Its like turn of your computer when the windows is updating: the software could or cold not be corrupted. Its lucky based. Not a smart choice. But if you wait untill the batery discharge I assure you that the chances you brick your unit will be reduced drastically. It's not 100% safe but works.

 

 
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