Solve the problem of locking iCloud and disabling my iPhone

Greetings to the powerful and very kind support team.

 (APPLE COMPANY)

 I hope you are fine and healthy. According to negotiations with the support team to delete the Apple Mobile ID that I just bought. The previous owner of my cell phone locked and disabled me because I entered the wrong Apple ID password. And lack of contact with the previous owner; So by contacting the Apple support team, I decided to send the documents and invoices for the purchase of the mobile phone and the photo of the mobile carton to the support team to solve the problem of locking iCloud and disabling my mobile phone. Phone. I ask you, experienced and loving Apple team, to solve my problem. Make me happy again with this popular and powerful winner. 

with all respect Fardin N.

 Serial number: C6***RYC

[Edited by Moderator]