Cannot login in to my Apple account

that's why I gave you this link: click on the blue ---> If you forgot your Apple ID password and follow instructions there

1. Go to Settings.
2. Tap [your name] > Password & Security > Change Password.
3. If you are signed into iCloud and have a passcode enabled, you will be prompted to enter the passcode for your device.
4. Follow the onscreen steps to update your password.

what happens when you try to log into your iCloud ?

If you forgot your Apple ID password and reset your password.

then sign into iCloud