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i restore and upgraded my phone because i forgot the apple ID and password and now its asking me for it again to activate the phone but i have no idea what it is
If you are the owner of the phone and the owner of the appleid associated with that phone, and you can prove your identity to Apple they may give you temporary PIN. If you do not fit above, you now have a paperweight. It is Apple's theft protection.
If you forgot the answers to your Apple ID security questions - Apple Support