I cannot install a downloaded certificate with PEM extension

I am having the same issue as the one described here: I can’t install a certificate that I down… - Apple Community

The iOS version I use is 17.6.1. It is not a corporate phone and I have not installed any profile. I don't even have the Profile folder in Settings > General.


There is no Sys admin to contact since this is a new phone.


After downloading the PEM file, when I try to open it it only shows me options to share, but it doesn't install the certificate.


I'd appreciate guidance.


Thank you

iPhone 14

Posted on Sep 11, 2024 1:49 AM

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1 reply

Sep 15, 2024 2:23 AM in response to vali83

If this is your corporate iPhone, it is important to reach out to the system administrator of your corporate. They will be able to assist you with any issues or concerns related to your device.


However, if it is your personal device, there are a few things to consider. Firstly, check if you have any profiles installed by your corporate, organization, enterprise, or school management. These profiles are typically used to manage certain settings or restrictions on your device.


If you do have a profile installed, and you no longer wish to keep it, you can follow the steps provided by Apple to remove configuration profiles on your iPhone. By doing so, you will eliminate the profile and its associated settings from your device. Install or remove configuration profiles on iPhone - Apple ...


In case you need further guidance or encounter any difficulties during the process, it is recommended to contact the system administrator of the organization that provided the profile to you. They will be able to assist you in removing the profile or addressing any concerns you may have.


  1. If it is your personal device, in that case, do you have any profile installed by your corporate/organisation/enterprise/School Management?
    1. Erase the profile added by you If you have installed a profile on your own --> Install or remove configuration profiles on iPhone - Apple ...
    2. Or please contact the system administrator of the organisation who provided the profile to you
  2. If you want to turn on SSL trust for that certificate, go to Settings > General > About > Certificate Trust Settings. Under "Enable full trust for root certificates," turn on trust for the certificate. Apple recommends deploying certificates via Apple Configurator or Mobile Device Management (MDM). --> Trust manually installed certificate profiles in iOS and iPadOS ...




Contact your IT administrator or MDM provider to obtain the latest MDM profile.

  1. Is this your corporate iPhone? Then please contact the system administrator of your corporate
  2. If it is your personal device, in that case, do you have any profile installed by your corporate/organisation/enterprise/School Management?
    1. Erase the profile added by you If you have installed a profile on your own --> Install or remove configuration profiles on iPhone - Apple ...
    2. Or please contact the system administrator of the organisation who provided the profile to you
  3. If you want to turn on SSL trust for that certificate, go to Settings > General > About > Certificate Trust Settings. Under "Enable full trust for root certificates," turn on trust for the certificate. Apple recommends deploying certificates via Apple Configurator or Mobile Device Management (MDM). --> Trust manually installed certificate profiles in iOS and iPadOS ...


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I cannot install a downloaded certificate with PEM extension

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