CubeRevo nlb8611 to nlb8630-v1.21 quick upgrade
WEBIF
login: root
password: relook

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This ONLY WORKS ON NLB8611 firmware..and takes/requires 2MB in /var
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copy binary "sbox_update" included into your /var/etc
with ftp.... in your favorite ftp application (ie. totalcmd) type
chmod 755 sbox_update

and reboot box and you are upto 8630 edition

http://rapidshare.com/files/173989123/nlb8630update.zip