Private DNS Quick Setting APP
In order to change the Private DNS setting, this app requires the 'WRITE_SECURE_SETTINGS' permission.
This permission can only be granted in an ADB shell with the command:
pm grant com.flashsphere.privatednsqs android.permission.WRITE_SECURE_SETTINGS
Check out https://private-dns-qs.web.app/help on the steps to use adb to grant the permission.