pls I have forgotten my blackberry id,my password, emai address

Look at the upside! You can't get much more secure than that!!

Do one of the following:

To reset your password on a computer, visit BlackBerry ID - BlackBerry Login - Sign In to Apps & Services - United States. Click Reset your password. ...
To reset your password on your BlackBerry device, when you are prompted to sign in with your BlackBerry ID, click Forgot Password.

How do I reset my lost or forgotten BlackBerry ID password ...
https://help.blackberry.com/en/blackberry-id/10.3.1/help/amc1343243247856.html

for more ways to learn things to forget, Google....
"forgotten my blackberry id,my password, email address"