Different Stratagem to Unlock iPhone without Password and Apple ID.
Recovery Apple ID to Unlock iPhone.
Apple ID is your email address. Every person has 3 to 4 emails. You can try all email address one by one. When you enter correct email. You will receive password reset link to email. This will allow you to Unlock iPhone without Apple ID.
Apple, Gmail, Yahoo-mail, Hotmail and iCloud all mail server provide email id and password recovery option. Use those options to recover Apple ID. Use trusted mobile, email and authorize computer to get verification code. After that you can reset Apple ID password and unlock iPhone.
On apple website, Start Activation Lock Support Request.
You need to provide Serial number, IMEI number and proof of ownership. Click on continue.
Provide your email address and IMEI number / serial number.
You will get confirmation of iPhone unlock request. It will take 4 to 7 days to unlock iPhone Activation lock.
Use Recovery key to remove activation lock on iPhone.
You can generate recovery key. Go to iPhone setting / Apple ID/ password and security / turn on RECOVERY KEY.
You can choose forgot password option. Enter Recovery key and then reset password. You can Unlock iPhone without password.
Use authorize computer to restore iPhone for unlocking.
If you have backup or sync your iOS device on computer. Connect iPhone to computer and restore iPhone. This will erase iPhone but you can Unlock iPhone without Apple ID.
Use multiple Apple ID to unlock iPhone.
You can use upto 3 Apple ID on one device and you can authorize upto 10 devices. If you forgot Apple ID and password. You can use other Apple ID and password to remove activation lock.
Install unlocked version of firmware.
You have USA version iPhone. Download firmware of same iPhone model of unlocked Asian or other country version. Flash firmware. You need to set up iPhone as new.