iOS Certification

2023-03-18 hit count image

if you enrolled Apple Developer Program, let's see how to configure iOS developer Certification.


this blog post is for developers who already enrolled Apple Developer Program. if you don’t enroll Apple Developer Program, see previous blog post enroll iOS developer and enroll Apple Developer Program.

this blog post is a series. it’s better to see below together.

let’s see how to create iOS developer certification and configure it.

donwload certification

if you get purchase approved email from Apple after buying Apple Developer Program, go to Account page on Apple Developer site(

apple developer site after enrolling

you can see different screen before you enroll Apple Developer Program. click Certificates, IDs & Profiles to go to the certification page.

download certification

you have already one certification. select the certification and click Download button and save it on your PC. if you don’t have the certification, create it by following create certification section.

this certification is for development. if you already have this one, you need to create production certification. so create it by following create certification section.

create certification

execute Keychain Access program on your Mac.

Keychain Access

after Keychain is executed, click Keychain accesss > Certification Assistant > Request a Certificate From a Certificate Authority... on the left top of the PC screen.

Request a Certificate From a Certificate Authority...

if you click Request a Certificate From a Certificate Authority... menu, you can see Certificate Assistant like below screen.

insert certification info to Keychain access

inser User Email Address and Common Name. select Saved to disk and Let me specify key pair information. click Continue button and save the file to your PC.

Keychain Access select key

click Continue if you are same value in Key Size and Algorithm.

completed to creact keychain

completed to create KeyChain Certification file.

download certification

go to Account page in Apple Developer site( and select Certificates, IDs & Profiles menu. click + button on the right top of the screen.

certification selection

click iOS App Development. scroll down and click Continue button in Select Type page.

if you want to create a production certification, click App Store and ad Hoc in Production section.

next screen is detail about how to create certification file(CSR file). we already created this file by Keychain Access so just scroll down and click Continue.

create csr file

click Choose File to select certification file(CSR file) created by Keychain Access and click ```Continue`` to go to the next page.

choose csr file

completed to create certification. click Download to save certification to your PC.

complete create certification file

register certification

we need to insert certification created above to Keychain Access. execute Keychain Access program.

keychain acceess

after Keychain Access is executed, click My certificates on the left bottom of the screen and drag your certification which you made via Apple Developer site before to here for adding.

Keychain Access my certificates

configure Apple Developer account

we need to connect Apple Developer Account to the iOS project. execute iOS/projectname.xcodeproj in RN(react native) project folder.

after xcode is executed, click projectname on the left top and select General tab.

xcode certification

click Team dropdown menu in Signing on above screen.

xcode certification add new

if you have already connected Apple Developer Account, just select that account. if you don’t have connected, select Add an Account.

xcode certification login

login Apple Developer account. if you don’t have Apple Developer account, see iOS device test blog post and create Apple Developer account.

xcode certification add new

click dropdown menu beside Team and select Apple Developer account we created above.

connet also Apple Developer account to Test section.

xcode certification add test

completed to connect Apple Developer account. let’s see about how to make Provisioning Profiles for production build.

create Provisioning Profiles

scroll down Account page in Apple Developer site and click Provisioning Profiles menu.

we need development Provisioing Profile and production Provisioning Profile. so do below procedure double times for development and production.

provisioning profiles

select All menu in Provisioning Profiles section.

provisioning profiles detail

you can see above screen. click + button for adding new Provisioning Profile

provisioning profiles ios

select iOS App Development and click Continue.

if you want to create Production Provisioning Profiles, select App Store in Distribution section.

provisioning profiles app id

select Bundle Identifier when we use in development. you can find Bundle Identifier in Identity section on xcode General tab.

xcode bundle identifier

click Continue button and select Apple Develop account and test device.

provisioning profiles name

insert Provisioning Profile name and click Continue.

completed to create Provisioning Profile. click Download and save it on your PC.

connect Provisioning Profiles

xcode has default setting which manage automatically Signing(Automatically manage signing in Signing section)

xcode bundle identifier

if you don’t have any problem in this status, you develop and build in this status.(you don’t have any red error text in Signing section) we have Provisioning Profile connection error so we unchecked this option and connect Provisioning Profile manually.

below is about how to connect Provisioning Profile manually.

xcode bundle identifier

uncheck Automatically manage signing in Signing section.

disable automatically manage signing

you can see Signing(Debug) and Signing(Release) after unchecking. click Provision Profile and select Import Profile and choose Provisioning Profile created above in both. in Test, do same procedure.

disable automatically manage signing test


completed all settings. we are ready to develop and release. next, we will introduce how to use TestFlight and release.

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