Windows 10 updates from late 2020 disabled legacy SMB 1.0/CIFS file sharing support. Fix:
Xshare Mini supports a "Connect to PC" mode that uses your computer's web browser:
If you have an old installer lying around, keep it. It is a relic of an era when cross-device tools were lightweight, local, and just worked.
: The tool is free and does not consume mobile data during the transfer process. How it Works on PC