Read the document above if that doesn’t work
you should enable
Automatic HTTPS Rewrite
in the SSL/TLS app of your Cloudflare
No , for me redirects automatically to Https now can you confirm with your end ?
https://support.cloudflare.com/hc/en-us/articles/200170476-How-do-I-fix-the-SSL-Mixed-Content-Error-Message-
It’s occur if you have not properly configured the steps in the document i have attached above