My board did an factory reset and now all apps are gone, at least not possible to start anymore. It is still possible to do all settings. At start up it comes with screen calibration and it is not possible to exit this app. I wonder if I should reinstall "Sun5i_android_a13-evb_nand_en.img" with LiveSuit but I could not find this file in the LiveSuite directory. You mention in your manual that this image is available for users.
Problem has been solved, I was now able to finish the screen calibration