At this point upgrade is ready only for advanced users.   Repository: apt.armbian.com Key: http://apt.armbian.com/armbian.key   Add to sources if not there: deb http://apt.armbian.com $(lsb_release -cs) main Packages naming logic for apt-get install:   I. Kernel 3.4: Deprecated linux-u-boot-DEVICE_NAME-default (cubieboard, cubietruck, lime, ...) linux-image-sunxi (all) or linux-image-banana (for boards bananapi, orange, lamobo r1) linux-headers-sun