I recently bought a new iphone se 64gb. I turned it on, signed in to my icloud account and selected my previous iphone's backup from icloud. After this, a screen displayed a message: Setting up your apple id. The screen after this message, displayed a prompt for password of an unknown email account that I have never used or known! This prompt suggested me to :
Enter the Apple ID password for unknown_email
to use for store purchases (including the App Store, Itunes Store and iBooks Store).
I clicked the back button and switched off my new iphone se. Contacted apple via email, chat and telephone and even went to an apple store. Over telephone I was suggested to setup as a new phone and then reset it completely and then try the backup option again... the problem was still there. After that I was suggested to restore it via itunes. I updated it and restored it via itunes, and still the problem remained.
I had bought this iphone via Amazon India and I tried returning this iphone via the amazon website and was told to contact the apple support number for returns.
Please could anyone recommend me what I should do?