Apple ID locked with another person's Apple ID
hello, on new years i got a new iphone 12, and in december 2021 i forgot the passcode, and when we reseted my phone it said it was in activation mode? but the apple id its ascing is not mine, i have proof that in new years 2020 i logged in to it whith my apple id, but when i try to login with that apple id it just wont work. The thing is, i dont have any documents that prove i bought the phone, and i cannot get the phone unlocked since then, here is proof
[Edited by Moderator]
iPhone 12