- FTP - ftp://x.x.x.x - the anonymous logon, the available directory is /tmp/usbmounts, in which are mounted connected internal HDD and connected external drives;
ftp://firstname.lastname@example.org - the administrative "root" logon. Home directory - the / (root).
WIFI- put any USB flash (or USB Hub) to another USB port - WiFi must work.
fw upgrade- must work with any PBO_AMP, Official and Semi-Official firmware. Another way- use soft-reset