Thread: Garmin 3597 Crash And Reboot. URGENT!!

Alright, i just did an hard reset, downgraded to 3.8 (which was extremely stable to me) and then another hard reset. Now i posted the screenshot above of my garmin internal storage so can someone help and tell me which file do i have to delete to remove maps and unnecessary files (to make my garmin "brand new")??
As i said before, if someone is interested in log files to sort through post here. Btw in the log files i found a recurrent error: " Message: Out of memory, r0=not useful, r1=rtrn, r2=blk sz requested} Exception_Info: {} Error_Cause: {1}"

Edit: after that i'd like to reinstall the latest map but not upgrade to 4.00. Can i do it with garmin express or does it force you to upgrade before installing new maps?? If there is a better program to achieve this i'm open to suggestions.
New screenshot after downgrading and hard reset.
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I've found this website which is very helpful but i still don't know what files is safe to delete

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