Source: Iyengar, S. S., et al. "USBUtil: A Utility for Interacting with USB Devices on Android." Journal of Mobile Computing and Application 5.2 (2018): 1-9.
Once you have the files, follow this strict sequence to make "Android work" via USB possible. download usbutil for android work
If you see List of devices attached followed by your device serial number and device , USBUtil has succeeded. If you see unauthorized , unlock your phone and accept the RSA key fingerprint. Source: Iyengar, S
Some file managers for Android offer USB connectivity features. download usbutil for android work
Easy. The file was barely 3 MB.
A frustrated Android user discovers that downloading USBUtil is easy — but making it work requires a little more than just an app.