Re: "I have a new iphone 11 and my daughter put a password and forgot it
and it hasn't been connected nor activated yet
Am no expert with all the answers, yet your post surely deserves a response.
Also: those with more expertise than either of us may then also join the discussion.
First, if it is a brand new phone, you may qualify for help from the experts:
One stop for technical support, Apple hardware service, and software support.
Call Apple Support at 1-800-APLCARE (or use the app)
AppleCare Products - Apple
Else: if it is a second hand iPhone:
You could try reaching out to iPhone Support
(There's a "Get Support" link at the bottom of their webpage... link below)
iPhone - Official Apple Support
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If you prefer to troubleshoot the issue yourself:
Wondering if you tried proceeding as for a forgotten passcode might help (ie: if your Apple ID lists the iPhone) :
How to reset your iPhone, iPad, or iPod touch when you forgot your passcode (iOS 15.2 or iPadOS 15.2 or later
(NB: If you can't follow the steps in the article below, you can use a computer to reset your device.
or If you can’t get your iPhone to show the recovery mode screen and you need help, contact Apple Support.)
If you see an iPhone or iPad unavailable message or Security Lockout screen - Apple Support
All the best :-)