How to
iOS, iPadOS and tvOS 14 support MDM profile to set encrypted DNS requests (DNS-over-HTTPS and DNS-over-TLS) on cellular and Wi-Fi connection.
Install
To install, open this page from your device and click Raw
on the one of your choice in the GitHub page.
Then continue installation in Settings app.
Check install
Browse https://1.1.1.1/help after installing to check it.
Customization
If you want to switch after installation, go to Settings > VPN and Network > DNS
Automatic
makes your device use DNS of your ISP.
Uninstall
Go to Settings > General > Profiles and remove the corresponding profile.