Please pay attention to the following points:

• Are the server address, username, and password filled in correctly?
• Currently, logging in as a Guest user without a password is not supported.
• What type of device is the SMB service on? NAS/Computer/Router? What is the specific model?
• Which SMB version is enabled on the SMB server configuration? SMB1/SMB2/SMB2.1/SMB3. Please note that SMB1 is currently not supported.

If all information is filled in correctly, SMB version is not SMB1, but the connection still fails, please click this link to provide feedback to us.