File Shares using SMBv2/SMBv3 cannot be accessed using the Mobile Access Blade File Share application
Mobile Access blade File Share applications do not support SMBv2 and SMBv3.
Background: As per Wikipedia, Server Message Block (SMB), one version of which was also known as Common Internet File System (CIFS) operates as an application-layer network protocol mainly used for providing shared access to files, printers, and serial ports and miscellaneous communications between nodes on a network
This feature is not included in the product. If you need it, please submit a Request for Enhancement.
This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.