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18th September 2023, 04:20 PM #1
Shrink NAV3 maps to fit NAV2 devices
** PLEASE NOTE that only if the (usually larger) NAV3 map doesn't fit your NAV2 memory you will need to remove redundant files (those not needed for a NAV2 device) to make a bit more space by following these instructions; BUT if there's plenty of free space in your memory then you don't need to do this and it will run on your NAV2 device as usual.
I made a little manual for you, how to shrink Nav3 maps to fit Nav2 devices.
It is done in three simple steps.
Step 1. Select and download the new map.
Find the correct Nav3 map and download it with “TTActivator.exe”
It will only work if;
- your device has a 9.xxx navcore that is patched. This can also be done with “TTActivator.exe”
- the map fits on your Nav2 device (after optimisation Step 2)
- the map must have a meta-code.
In the attached “Nav3-Nav2_conversion.rar” file you will find the file "meta.txt" with all meta-codes till sept. 5 2024 and
the file "meta_All_Maps.txt" with the latest meta-code for every existing map also till sept. 5 2024 and
different files "Meta_xxxx_Nav23.txt" with the meta-codes for nav2 and nav3 for map-version 1115 till 1135.
You can also search for a correct map in
Step 2. Optimize the new map for Nav2
Optimise the map with the tool “Optimize_nav3.exe”.
You can find it in the attached “Nav3-Nav2_conversion.rar” file.
Put the tool and the map in an empty folder and start the tool.
Follow the instructions on your screen. If the tool is ready, the map is optimized.
Step3. Install on device and activate
Copy the optimised map to your Nav2 device and activate it with “TTActivator.exe”.
If necessary, update before activation the meta-codes with the toolbox of TTActivator or put the "meta.txt" file from the attached “Nav3-Nav2_conversion.rar” file in the same folder as TTActivator.exe.
You find the latest version of TTActivator.exe in .
After this the new map must work on you device.
I tried this on my Go 950, GO XXL and GO One XL, all with navcore 9.451, and on my very old GO 300 with navcore 9.510.
All four with success.
If you still have questions, please let me know.
PeterPeterHimself Reviewed by PeterHimself on . Shrink NAV3 maps to fit NAV2 devices ** PLEASE NOTE that only if the (usually larger) NAV3 map doesn't fit your NAV2 memory you will need to remove redundant files (those not needed for a NAV2 device) to make a bit more space by following these instructions; BUT if there's plenty of free space in your memory then you don't need to do this and it will run on your NAV2 device as usual. I made a little manual for you, how to shrink Nav3 maps to fit Nav2 devices. It is done in three simple steps. Step 1. Select and download Rating: 5Last edited by PeterHimself; 16th September 2024 at 09:54 PM. Reason: added new attachment
Collection; NAV2: GO 300 (M1); ONE XL (L1); GO XXL (GQ); GO XL (RS); GO 910 (V7); GO 950 LIVE (W1)
NAV3: GO 820 LIVE (FU) NAV5: GO 5200 (ZB)
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The Following 26 Users Say Thank You to PeterHimself For This Useful Post:
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alex1963 (9th October 2023), aminelaguna (11th November 2023), atomantmk (30th April 2024), biggerdave (18th September 2023), birdou (26th February 2024), dosibox (8th October 2023), Edgard Simoni (12th May 2024), ethnic (9th May 2024), greenphantom61 (20th February 2024), ion_vasile (18th September 2023), JoaquinX (19th September 2023), jungblume2005 (18th September 2023), livvy (19th September 2023), lucky21 (18th September 2023), mace10001 (17th December 2023), OneLover (21st September 2023), pe1agp (18th September 2023), Poteo_Roke (19th September 2023), rawid (18th September 2023), Razorblatter (30th April 2024), ruslandgo (18th September 2023), simba (20th September 2023), Steve25 (30th April 2024), stuntdouble (10th October 2023), tomojure (18th September 2023), Xius27 (19th September 2023)
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9th October 2023, 10:44 PM #2
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The Following 1 Users Say Thank You to dosibox For This Useful Post:
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riolovelidas (12th November 2023)
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9th October 2023, 10:56 PM #3
FALSE POSITIVE AS MOST HERE ARE! Especially those posted by VIP's/seniors/mods etc
SPAM HUNTER/KILLER
Please do not just post "thanks" but use the "thanks" button bottom/right or the reputation star "*" bottom/leftS i m p l e s
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The Following 1 Users Say Thank You to biggerdave For This Useful Post:
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dosibox (10th October 2023)
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11th November 2023, 11:35 PM #4
Thank you for the subject. but I would ask if i have nav2 on my tom tom carminat with navcore 8843
will any nav3 on my devise after conversion work properly?
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12th November 2023, 02:18 AM #5
NAV3 maps on NAV2 devices
Hi, I have renault megane 3 with carminat tomtom NO LIVE, my question is It´s possible to convert somehow nav3 map or higher to carminat NAV2 map?
Because since map version 1115 is no longer any meta codes for maps on carminat NAV2.
I'd be interested in that, too.
I have too carminat(nav2) with navcore 8843Last edited by biggerdave; 12th November 2023 at 02:41 AM. Reason: duplicate question
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The Following 1 Users Say Thank You to ondrmox For This Useful Post:
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aminelaguna (13th November 2023)
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17th November 2023, 03:37 AM #6
Hi I'm using the Optimize tool and it asked me 2 questions about deleting items. It was a yes or no question one of which was delete the speech data. Should both be answered yes to allow the maps to operate or can I leave the speech data active to allow this to operate in my Tomtom.
Your help is appreciated.
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23rd November 2023, 12:39 AM #7
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23rd November 2023, 01:02 AM #8
As said in post 3: false positives
Collection; NAV2: GO 300 (M1); ONE XL (L1); GO XXL (GQ); GO XL (RS); GO 910 (V7); GO 950 LIVE (W1)
NAV3: GO 820 LIVE (FU) NAV5: GO 5200 (ZB)
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The Following 2 Users Say Thank You to PeterHimself For This Useful Post:
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biggerdave (23rd November 2023), orgal (23rd November 2023)
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23rd November 2023, 08:35 PM #9
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16th February 2024, 02:53 AM #10
Hi Peter, in general terms (rather than code-level detail) what does the Optimize_nav3.exe do. I have briefly tried Nav 3 maps on my Go 720 and they seem to work ok. What does the tool add or prevent?
Thanks
iGO HERE EUROPE 2024.Q2
Hola, despues de descargar las dos partes, me...