Universal Firmware Patcher for Protected Garmin Devices

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Legend:
MAP: Yes - it verifies the presence of a valid unlock code, to unlock an .img you can simply use JetMouse keygen.
GMA: Yes - it verifies the FID limit (2200) and the presence of a valid *.gma, to unlock an .img you enough to use the old gimgunlock-0.03 (without MapSigPatch) or one of its derivative.
MSV: Weak - it verifies the validity of map signatures in a simple way, you can unlock an .img using gimgunlock-0.04 (without patching your firmware), but in case of unicode maps (CP65001) you must modify the CP value (see the Temporary authentication of Unicode maps*).
MSV: Strong - it verifies the validity of map signatures more complicated way, in this case you need to patch your firmware and unlock an .img using any correct unlocker.
GVS: Yes - it verifies the validity of firmware signatures, you have to use Updater.exe to install the patched firmware for the first time.

Thanks big-bang for the texts.


EDIT: I was a little too late.

I know this legend well.

PS: look my next post

Ok - here is the thing:

PL TOPO 2015.2 here:

Code:

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and

PL TOPO 2016.3 here

Code:

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Both (according to publisher ) are locked to sdcard - not to device (You can move SD card from one device to another and maps work)

Try to unlock these maps

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PL TOPO 2016.3 here cannot be unlocked with Gimgun as they where not locked by Garmin ?