Hi, I preordered an iphone 15 with a sim card, but i realized that I need more data volume, is it possible to change the plan it without cancelling and requesting again the phone+the plan?
I requested o2 mobile M and the plan i want is unlimited smart
Edit o2_Sven 20.09.2023/18:45: Moved thread from o2 Mobilfunk: Vertrag & Tarife to English o2 Community: Mobile