What is your firmware version?
And do you plan to back up the files without PFS encryption on them?
It's a matter of where locations are managed. It could simply be within the app's code to back up from ux0, and we can't access it yet due to us both not being able to modify eboots yet, and there is no write access to vs0, where the app's executable is.
What DB file were you planning to modify in sqlitebrowser?