Hello my name is (saad sami saleh)a couple of months ago i ordered two mobile one is(iphone xs max 64Gb gold) and the other is(samsung galaxy s10+ 512gb weiss) the problem is they don’t take money out of my credit card even there's mony in my credit card,instead they send me a post(brief) every month asking me to send them the money via Überweisung but with more like i have to pay more money than i should for example the monthly of my iphone xs10 is (51) euro but i have to pay(56,20) could you please fix this and take it from my card?i don’t have a Problem with my SIM card,why with this two?
thank you for answering