How to unlock my iPhone without Apple ID?

I will guess “unlock” means you purchased a previously used iPhone which is Activation Locked. The original owner must assist or the iPhone will remain useless forever.

How to remove Activation Lock - Apple Support

The All Too Common SAD Reality of Buying a Used iPad/iPhone – Apple Community

Hello~ Are you the original owner?

~Katana-San~

Hello , Yes , im original owner too , have box of my phone,I have my appleid password but don’t remember appleID ,phone on activation lock mood , please help me 🙏🏻

Your Apple ID is your email address.

If you forgot your Apple ID - Apple Support