IPhone 12 Pro Max Apple ID locked to the owner. - eviltoast

Hi everyone!
I bought an iPhone 12 Pro Max which is locked to the owner. Can anyone tell me, how can I bypass the Apple ID lock?
Probably there must be two ways:

  1. Bypass the Apple ID by paying money. But in all paid apps the success rate is too low. In most cases our money is wasted. If you know any 100% trusted app, which must do this then please recommend me.

  2. The second way, we can copy a firmware file to an iPhone by using different tools like 3tools etc. Which is unable to open an iPhone without entering the Apple ID password. But I don’t have a firmware file for the iPhone 12 pro Max.

If you know any way form which I can open this iPhone? Please tell me.