Hey my iPhone 12 pro max without sim card is about to end in the month of December, as I have lost all the contract details I am not sure what will the process and also I have changed to a new address from the initial place where I bought the phone, but I found my Kd-nr and Rg-Nr from my bank account using sepa mandate details. Kiindly help me how to change the address and to receive the final documents at the end of my contract period.
Thanks
Shankar