While, if the Apple ID is not yours, you face the Apple ID not active issue or you have lost any related information, it would become harder to remove Activation Lock. If you have the information to reset the Apple ID password, you can go through this by resetting the password for the iCloud account. You can learn how to remove Apple ID without password. If you are stuck at the Activation Lock page on your old iPhone/iPad or second-hand iPhone/iPad, you don't know how to remove Apple ID from iPhone and can't move forward on iCloud Activation Lock screen if you don't log in with the requested credentials. How To Bypass Activation Lock without Apple ID This article will show you how to remove iCloud Activation Lock without Apple ID or how to remove Activation Lock without previous owner on Apple server. Or you got a second-hand iCloud locked iPhone with Apple ID signed in.

Or you can't bypass Activation Lock without Apple ID on your iOS device. For example, you can't sign out of it if you've logged in on one of your devices (go to Wi-Fi settings to check the Wi-Fi network first). If you forgot your old correct Apple ID and can't retrieve it on iOS devices, this will cause you some problems.