That error means your device is being opened by the desktop environmnet/file manager. Prevent it from being auto-mounted and you will be fine. On Linux, only one program can talk to an MTP based device at a time.
That error means your device is being opened by the desktop environmnet/file manager. Prevent it from being auto-mounted and you will be fine. On Linux, only one program can talk to an MTP based device at a time.