What can I do to install a certicate that is trusted? I have iphone 11 iOS 14.2

Hello jond316, 

We see that you have some questions about installing certificates. 

For something like this you'll want to reach out to Apple Support directly. They'll be able to provide you with some info that may help. 

You can reach out to them here: Get Support

Cheers!

iphone xs iOS14.6 ineed update the contact carrier setting