I have been a DSL customer of O2 for more than 1.5 years. Recently I tried to take a phone from a third party (Deinhandy.de). However, they could not deploy the phone within a month. So I quit the contract. But since then, when I try to log in to my O2 account, it asks for a phone number where it should send SMS to complete the login. The good thing is that I have no idea who has these phone numbers. Now the question is:
1. Is it a good service to force an existing customer's login to a SIM number if the customer does not have the number or configured phone number to sign in?
2. I also want to sign a new contract with Sparhandy, but have not received any confirmation from O2 regarding the termination of the old contract (with Deinhandy). Any idea how long this process can take?
Lösung von sakib
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