Position der Seriennummer deines iPod - Apple Support (DE)
iPod-Modell bestimmen - Apple Support (DE)
Where can I locate the Serial Number for my iPod, iPhone, or iPad? Are Serial Numbers unique? What are the limitations identifying a specific device using Serial Numbers?: Everyi.com
Has anyone else ever seen “OBS” in front of the name of their iPod in the Apple service and support checker? None of my other iPods show this and it's super strange... :
Differences Between iPod shuffle Generations: EveryiPod.com
iPod-Modell bestimmen - Apple Support (DE)
4-Möglichkeiten zum Zurücksetzen des iPod nano / shuffle / classic / touch (Werkseinstellung)
iPod-Modell bestimmen - Apple Support (DE)
How to Check & Identify Your iPod's Generation: 3 Easy Ways
Die Generation eines iPods ermitteln – wikiHow
Apple iPod shuffle 4th generation Serial Number Lookup - AppleSN.info