All Maps, that TT offers for this Device, are be arm9-mnt, any Maps are bigger than 2 GB, i think, Zones are possible....for example the Picture
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I've been doing some testing and activating the UK map with TTActivator doesn't work.
I have activated with drclone using key8 and it works fine.
The tests I have done with the emulation of TTHome.
I recommend activating the map for the navcore 7851 with Dr Clone because it seems that TTActivator uses the key7 for activation and it is not valid.
You can download Drclone :
I have translated it a bit fast, sorry for the possible errors
Connect your card with map, patched navcore and ttgo present
Start the tool from the cmd file
Select your map
Select key8
That should be enough
Orni my gps has a SirfIII chip.
If you look at my second post in it I wrote that I did not succeed with TTActivator but with Albert's Easy Activator with tt8 keygen. Today I successfully activated the map on sd card 4gb Europe arm9-mnt. On the internal memory I have Central and Eastern Europe 1060 and on sd card Europe 1060 and everything works great..Thanks for the Doctor Clone program that works with key8.With great anticipation I expect the results of the team working on nav4.