I got all files from the other GPS but since there was no gupdate file I decided to update that one too, to possibly get that file, now I have two bricked GPS's

I do however have the Partnumber, 006-B1722 but I can not find any firmware for that.
I did try to connect through Updater, using some QuickCure.rgn file I got somewhere, just to see if I could connect, If I use the setting Serial, then I get to Initializing but then Garmin not responding (tried all Baud rates), Nuvi is visible as the USB drive below but when selecting that Iget instantly Garmin not responding.

I have also tried to get GPS ID using G7ToWin but then I get Serial Port Timeout

I have no firmware and no connection, I have a trash bin -should I use that or do I still have a chance?

Thank you for any help.