-type "softupd -vv -s --local"
-after that, a "waiting" text comes out
-open a new xterm (tap the upper right corner before the x on the screen, then tap new)
-on the new xterm, "sudo gainroot"
-type "flasher --local -f -k (location/filename)
-type "sync" and then reboot

that is from jakiman, hope this helps.