Hello all, i have a little problem trying to flash the GUPDATE.CGD, i have a 1390T and i'm trying to flash with Japan 1480, because i need to enable truck mode for this device, i done all the steps to create the file but my device wouldn't boot with the new image, i deleted the file from \Device\.System i have copied the file there but with no luck, i made a folder on the card with the name Garmin but still no luck, i copied directly the file to the card but still no luck. When i made the file with RGN Tool 0.78 i keeped the HWID and the SW Version (5.90) from the original file. Is there anything that i'm missing? Thank you
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