I have created an account for my 9-year-old girl. Then I found out that creating a kids account was possible. So I tried to convert that account into a kids account by modifying date of birth, When I did so, Google asked if 9 years old was correct, I said yes, and immediately, the account was blocked. How can I prove I created this account and how do I recover it? Who to contact?
If age is set on less than 13 years, an account will be blocked and deleted in the next 30 days.
To recover such account you need to set up supervision: