https://thepihut.com/blogs/raspberry-pi-tutorials/16982376-updating-raspbian-on-your-microsd-for-the-raspberry-pi-2
folgendes angewendet auf: „2016-08-30_raspbian-noobs_piB+_pipresents-vid+image-liveshow-at-startup_ton-zimt-at-article.img“
sudo apt-get update
sudo apt-get upgrade