I already have a sim card with contract for 2 years. I would like to buy a mobile phone with contract. So can i add these mobile contract to my existing contract and pay together monthly as a single amount?, can i also change my current plan? If these are not possible, can i terminate my existing contract without changing my current number and buy a mobile and new sim with contract? How can i find a solution?
Lösung von o2_Ines
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