Please help,

My iunit is 3790T, Caould you please help me to bring my unit as it was, since I screwed up while trying to convert from 3790 to 3490, and unfortunately I have formatted my unit several times and I dont have any back up. I have downloaded 3790 GUPDATE.gcd from garmin website, and I convert GCD file to RGN, load the image with updater and Tthe unit is fine now, as well i have loaded the img maps,3d maps and JCV to my unit, what is confusing me is that I don't know my HWID number and I dont know are the all features working properly such as 3D buildings, lane assistant and the rest. i have saved RGN file as a log.bin and when i open that file with Mod3_333 only few are ticked from the 3D buildings , lanes assistant etc. how to do that all thigs to work and save them to my unit.