What is the best way to use in Germany?

kokoko

    Hello,

    I use prepaid payment system below.

     

    Also, I am thinking of going to a trip for Germany.
    Is there any good way to use smartphone(Especially, internet connection) in Germany?

     

    Hope for your generous help!

     

    Current rate plan: $50 Simply Prepaid(10GB 4G LTE)WC - $50/month

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