Welcome to Justanswer.com, my name is Dustin.I'm sorry to hear about the issue you are having, I will do my best to help you resolve it.
This is very important.
Is it asking her for a passcode? Or her apple id Password?
if its asking her for her apple id password, then she needs to reset the password ***** a computer or someone elses p hone Web browser, as follows.
Lets try the following steps to reset your apple id password, Go to the link below, enter your dau ghters apple id.https://iforgot.apple.com/After entering your apple id, either answer your security questions and reset your password. Or , have an email sent to your email address. Then open your email and click the reset link inside that email to reset your password.Once you have set a new password. Turn your device off, then back on and try to sign in with the apple id and the new password ***** just set.If you get stuck or run into any issues, let me know!
I strive to provide great service, and greatly appreciate a 5 star rating clicked and submitted when you are satisfied.. I always answer follow up questions.Dustin S.Senior Technician and Network Switching Systems Operator / Maintainer.