My Revue was on b55579 before, however a power outage makes it unable to reboot.
I can get into recovery mode and turn on the menu (alt-t) without problems.
But every time I apply an update.zip from USB sticker, i got errors like below:

install/sdcard........
finding update packege.......
opening ...

Discovered wrote:well, if you boot it into recovery, connect with adb maybe you can replace package.zip

I can use adb in recover mode via USB cable?
Can you share with more details?

My Revue was on b55579 before, however a power outage makes it unable to reboot.
I can get into recovery mode and turn on the menu (alt-t) without problems.
But every time I apply an update.zip from USB sticker, i got errors like below:

install/sdcard........
finding update packege.......
opening ...