From me :
1. Switch off nüvi.
2. Hold top left hand corner of screen.
3. Open Updater.exe dragging .rgn in it, tick USB.
4. Connect USB cable. Still hold the corner of the screen.
5. When Updater.exe recognize nuvi press OK to start firmware flashing. Don't wait too long, otherwise screen calibration will start.
6. After 'LOADING...' appear on nuvi screen you may stop press the corner of the screen.
If you encounter any problems during flashing repeat the procedure but in item 6
6. Still hold the corner of the screen till the end of the firmware flashing.
Last edited by victor777; 17th March 2016 at 09:21 AM.
Quote Originally Posted by Neil View Post
None of the units listed as "GSV: ---" need initial loading with RGN file via Updater.exe. Do steps 1 - 5 - Remember to remove any previous gupdate.gcd in your device, before flashing any updates, then load the patched GCD with WebUpdater.exe (Webupdater must be on desktop) or place it manually on the unit named gupdate.gcd.
Where can I find WebUpdater.exe?
Last edited by bluemoon; 17th March 2016 at 12:16 PM.
], and because since loading patched V4.50 you've now loaded 'unpatched'/original signed V4.60 to it [as you told me in a PM] you now must start again using Updater.exe and a patched RGN file to load. Then, and only then, can you successfully load later patched versions using the GCD via any method.
Remove and use the V4.60 gupdate.gcd from the unit's .System folder which you'd loaded by WebUpdater or GarminExpress, make the patched fw using the patcher and re-load as an RGN file using Updater.exe in preboot.
Make sure you've got your head around the fact that because you've now loaded the later 'signed' firmware to it that a GCD loading of patched version is then not possible unless it's done after a prior loading of a patched [and unsigned] version to circumvent the 'GSV' [S.V. is Signature Verification] present in unpatched/original GUPDATE.GCD files. Once you load original software again it's back to square one.
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hi there i cant load europe NT image unlocked on my nuvi 350 and i am triyng to do this patch but the IMG patcher says
Firmware version as specified in GCD file: 6.20 for nuvi 300/350.
Firmware name: Firmware version 6.20 for nuvi 300/350.
Applying rule set MSV... No matches.
Applying rule set GVS... No matches.
and his not creating any file
can somebody hel me a litle bit
my problem is that i want to update the map to europa 2016.20 NT i heave the image unlocked and when i putit on the SD/Garmin folder i conect the SD to the GARMIN and it says no map data avaible and when i go to the map meno
can someone help me? i am tring to do this patch but the IMG patchers it says that wath can i do?
Bear in mind that the nüvi 3xx units are ancient, don't need any patching and are limited to recognising map files up to 2 GB.
Best option is to create your own map from the PC installable version of the map, using MapInstall and keep the file size below the 2 GB limit of your nüvi 350.
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Thanks heaps for this - worked perfectly on my troublesome 5797!
Hi, Team. Thank you , and this works well at my Nuvi 2589LMT. Really appreciate that !!