Likes: 
I had considered that Caty and have consistently mentioned gimgunlock+mapsigpatch, even giving Geoff the named thread link in both Post #17 & 22: [Only registered and activated users can see links. ] ... However, if the firmware is properly fully patched this message shows on the patcher's GUI at completion:
Spoiler:
That means, by my [admittedly] layman's understanding of how it works, that both GCD Verification Signature [or GCD Signature Verification] and Map Signature Verification checks have been removed from the firmware. Therefore even original gimunlock [without Map Sig Patch] should be successful in 'unlocking' maps for use in a previously protected unit, even one with usually a 'strong' protection because its now patched firmware becomes as 'weak' as an older unit like 2xx/7xx with "MSV: ---" and "GSV: ---", i.e. there no longer is either type of verification check in the patched firmware. Only if MSV [but no GSV] is still present in fw does the map require an unlock with gimgunlock+mapsigpatch is my understanding. Happy to be corrected on that tho'.
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13th January 2016, 09:41 PM #25Garmin/GPS Systems GMod.
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