I am not able to update my apple id settings

If an app or feature on your device is not working, it may have been disabled using Screen Time, or by an IT administrator if you are using a device owned by an employer or educational institution. See how to 'Use Screen Time on an iPhone, iPad, or iPod touch' by clicking here --> https://support.apple.com/HT208982

You can also try in a web browser. Go to this document -->

Change information in Apple ID - https://appleid.apple.com/