Talk:Germany/@comment-89.68.244.115-20160528091707/@comment-24682153-20160528121527

There is a special article in this WIKI about Vodafone CallYa SIM cards here: Euro7. There validity is explained at the bottom too.

What renewal of the base plan "Smartphone Special" is concerned: It auto-renews every 28 days (@ 9.99€). If you don't have this credit on your account, it will not and your consumptions will be charged according to more expensive default rates (similar to their Talk&SMS plan). When you are at 0, it stops and you can only be called or texted anymore. As soon as you top-up (min.15€) it automatically renews and takes 9.99€ from the topped up value. You can stop this auto-renewal by changing to Talk&SMS plan before recharging. Plan changes are free and can be made through their hotline, by app or on your MeinVodafone account. On Talk&SMS plan you can leave any standing balance without being charged, as long as you don't do any activities.