In the case of difficulty accessing o2-freikarte.de, it may be due to incorrect redirection settings for the various versions of the website. Please check the links below:

http://o2-freikarte.de http://www.o2-freikarte.de https://o2-freikarte.de https://www.o2-freikarte.de

Or return to the current status page of o2-freikarte.de.