# Download v3.x firmware from wd website:
wget http://download.wdc.com/nas/sq-030401-230-20140415.deb.zip
# Unpack zip package
unzip sq-030401-230-20140415.deb.zip
# Copy deb file into mycloud vi ssh
scp
scp sq-030401-230-20140415.deb root@MYCloud_IP:/DataVolume
# Login into MyCloud via ssh
ssh root@mycloud_ip
# Modify /etc/version ( early than deb firmware to be write)
nano /etc/version cat /etc/version 03.04.01-219
# Launch the update process
/usr/local/sbin/updateFirmwareFromFile.sh /DataVolume/sq-030401-230-20140415.deb
# Monite via ssh terminal or web site