---
title: Install custom CA on IOS
date: 2023-01-28
slug: install-custom-ca-on-ios
authors:
- lunik
description: Step by step installation of a root CA certificate on IOS
related_posts:
  - manage-x509-certs
  - secure-home-entrypoint
tags:
- tls
- certificate
- ios
- iphone
- ca
- root
- install
---

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# CHANGELOG

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![cover](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/cover.jpg)

Now that I have generated by own custom certification chain in the previous article "x509 certificat managment" I need to install the Certificate Authority (CA) on my iPhone.

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### Install the certificate

First I need to install the CA certificate on the device.

![1_download_folder](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/1_download_folder.jpg)

The file was on the device and I opened it from the file explorer.

![2_open_file](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/2_open_file.jpg)

Then I need to go in IOS settings. In the "Général" section.

![3_general_settings](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/3_general_settings.jpg)

Then in the "VPN et gestion de l'appareil" section.

![4_device_managment](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/4_device_managment.jpg)

Click on the CA in the "Profil téléchargé" section.

![5_downloaded_profile](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/5_downloaded_profile.jpg)

I have followed the install process.

![6_install_profile_01](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/6_install_profile_01.jpg)
![7_install_profile_02](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/7_install_profile_02.jpg)

Then verified the installation.

![8_verify_install](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/8_verify_install.jpg)

Finally I need to approve the CA as a root authority on the device.
By going back to the "Général" section. Now in the "Informations" section.

![9_informations](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/9_informations.jpg)

Then in the "Réglages des certificats" section.

![10_certificats_settings](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/10_certificats_settings.jpg)

Finally toggled the certificate and completed the installation.

![11_toggle_certificate](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/11_toggle_certificate.jpg)
![12_validate_toggle_certificate](/blog/img/posts/2023-01-28-install-custom-ca-on-ios/12_validate_toggle_certificate.jpg)

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