O2 Phone CreditBack to all providers
O2 Top-up code
The top-up code/PIN will we delivered by E-mail and SMS (option), please follow the instructions in the E-mail to use the code/PIN.
O2 Direct Top-up
In case of Direct Top-up your prepaid credit will automatically be added to your prepaid account. For this service a servicefee is valid of 0,50 €.
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