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18th August 2022, 08:49 PM #1
In the link Post 140 last item works.
Just tested it.
Nuvi 2xx7-2xx8 C4 (2077) fw8.80.rar
asprin624 Reviewed by asprin624 on . Nuvi 2597 problems : Not detected with Garmin Express or Windows 10 / 64 bit Hi There, I've been struggling for a few days with two Nuvi 2597. The first Nuvi plugged in Windows 10 / 64 bit could not see the Garmin.Why ? I have no idea so I could not update it ... The second Nuvi plugged in Windows 10 / 64 bit COULD see the Garmin so I updated to the latest 8.80 Software and 5.08.11 firmware. All was fine with the second nuvi I plugged and unplugged many times for a few days UNTIL i put a microSD with an unlocked western Europe map image with a gmapprom.img Rating: 5Last edited by asprin624; 18th August 2022 at 08:54 PM.
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18th August 2022, 09:32 PM #2
Thanks aspirin624, i could be wrong but i don't think thats the correct file for me since I have :
nuvi2xx7and2xx8_550_Patched HWID: 1582 Not 2077 ...
Edit : I seem to have found the file HWID: 1582 here if anyone else needs it :
i'll try it out hopefully it will work :-)
Have a nice day everyone :-)Last edited by aztech 222; 18th August 2022 at 09:37 PM.
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12th October 2022, 02:16 AM #3
Hi!!!
First Sorry for my bad english
Next.... I have a nuvi 2597LMT (HWID 2077), looks new, i put the garmin on GE and update all maps, but for experimental i try patch the firmware First wiht "Firmware patcher but never work (Previous to upgrade a 8.8 firmware), i try upgrade in SD card (Nuvi 2xx7-2xx8 C4 (2077) fw8.80.rar) but not work, i read the steps and the gps upgrade (The screen apear loadding software and other leyends) but after restart the gps apear 8.80 and never unlock maps.
Any suggestion?
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12th October 2022, 06:40 AM #4
@americovil
What exactly do you mean by "never unlock maps"? Are you using maps that have been previously unlocked by latest gimgunlock? Because that's what you additionally need to do.
Or are you expecting that when patched firmware is loaded that it will unlock any original (locked) maps added to the device? Because it can't do that.
Or some other problem which you must clearly describe to get precise assistance.
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12th October 2022, 08:47 AM #5
I have more devices Garmin whit locked and unlocked maps, Works fine the maps
The garmin 2597 has lifetime updates but locked maps, because the firmware is stock (No patched).
I change my sd card whit unlocked maps but the nuvi canīt read unlocked maps
I tried patch the Firmware form SD but never work (Nuvi 2xx7-2xx8 C4 (2077) fw8.80.rar)
All its for experimental purposesLast edited by americovil; 12th October 2022 at 08:51 AM.
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12th October 2022, 10:27 AM #6
It depends on whether you get a message on the device's screen when booting up:
* Do you get a message saying "Maps are corrupt and can't be used" or similar? If so the device firmware is not patched correctly. Re-make and reflash the patched fw in that case.
* Do you get a message saying "Cannot unlock maps" or similar? If so one or more maps are not unlocked correctly.
* Do you not get any message? Check that the map is selected in settings. If it's not even listed in settings then where did you place the unlocked map on microSD card? The 2xx7/8 series like most modern devices can read an img file named gmapsupp.img in Garmin root folder or <any_name>.img in Map root folder. e.g. SD/Map/UK_CNNTU.img (note folder name 'Map' not 'Maps').
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12th October 2022, 07:27 PM #7
Finaly Workit
i flash the firmware whit my homemade firmware, i folow the steps from the guide "HowTo – Patching Garmin Firmware via SD Package By FireFox58"
The maps works, before the message saying "Cannot unlock maps" because i download the firmware but not work for me (Nuvi 2xx7-2xx8 C4 (2077) fw8.80.rar)
I have a patchet Drivesmart, its most modern device whit the unlocked maps.
Thanks for all
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13th October 2022, 03:40 AM #8
"Cannot unlock maps" message usually means there is a map (or even a single tile of a map) which has not been properly unlocked. Re-run gimunlock on any map that you've added.
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20th October 2022, 10:20 PM #9
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