Hello,
I recently got a post paid O2 SIM card with 20gb internet. And the salesman told me that the internet will be unlimited after this 20gb but unfortunately it is not the case. So that is why I want to change the contract from 20gb of internet to the unlimited internet pack (both of them cost the same). But I am not able to change it through my application. And I do not speak a lot of German so calling the customer care is also not a good idea. Kindly help.
thank you
Lösung von o2_Andrea
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