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Boot loop with Garmin system in the Uconnect CTP2012

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Hi all,

Im having issues with my Uconnect system's Garmin Nav screen. Essentially the Nav screen is stuck in a boot loop after i upgraded the maps to CN Aus & Nz NT 2018.10 Here maps.
In that update i tried to flash GMapprom, ASR files, JVC and the POI that was available from the mega.nz link. Everything validated and i put in the code as i have done in previous updates.
something must have gone wrong at some point as after it reloaded it for stuck in a boot loop.
Now it only displays the Garmin screen with "loading software" at the top then resets to a black screen and tries again.

Ive tried the modified firmware fix to get it to hopefully load so i can delete the other files and try again. No luck
Ive updated firmwares for the entire unit from uconnect, as well as a specific update (GUPDATE.GCD) from them as well. No luck

is there any way to plug my laptop into this and get File access? any other ideas for Unbricking my Uconnect?

thanks in advance..
Simon

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