iOS - Replace a published app with your new GoodBarber app

To update an existing iOS app, you first need to get its Bundle ID and current version number.

1. Go to App Store Connect > My apps > Select your app.
2. Scroll down to the Build section and click on the existing build to display the Build Metadata.
On the right, you will see the bundle short version string, the bundle version string and the Bundle ID. 
3. Get the Bundle ID and the Bundle Short Version String. 

1. In the menu iOS App > Publish , select the Solo publication process. 
2. Click "Update" and go to the Next step.

- Create a new Distribution Certificate

1. At step 2.1, select "Create a new distribution certificate" and go to the Next step.
2. Continue to step 2.2 and download the .csr file provided in the back office
3. In a new tab of your browser, go to your Apple Developer Account > Certificates, Identifiers and Profiles > Certificates 
4. Create a new certificate by following the instructions from steps 2.3 to 2.4 in the back office.
5. Upload the new Distribution Certificate at step 2.5 in your back office  and go to the Next Step.

- Register your existing App ID and version number

1. At step 3.1, decide whether or not to activate Universal Links.
2. At step 3.2, provide the version number of your existing iOS app, and its Bundle ID (= the App ID).  

- Create a new Push Certificate 

1. In your Apple Developer Account > Certificates, Identifiers and Profiles > Identifiers , select your existing App ID. 
2. If you choose to activate Universal Links, check the box of the Associated Domain capability. 
3. Scroll down to the Push Notifications capability and check the box. 
4. Click the button configure (if there is no associated push certificate), or edit (if there is an associated push certificate) on the line. 
5. Under Production SSL certificate, delete any existing certificate, then click "Create certificate" (don't worry, the certificate you revoke will be replaced almost immediately). 
6. Upload the .csr file to generate and download the new Push Certificate.
7. Upload the new Push Certificate at step 4.6 in your back office . 

- Create or Update the Provisioning Profile

1. In your Apple Developer account go to Certificates, Identifiers & Profiles > Profiles
2. Select the App Store Mobile Provision file of your app or Create a new one.
3. Make sure the Distribution Certificate and App ID are the same as in Publish > iOS App > Certificates  (the Distribution Certificate should have the same expiration date). 
4. Save the App Store Mobile Provision file and download it.
5. Upload it in the back office  at step 5.4.

- Click the button to build your iOS app.

Once the app is compiled, you will be able to download the .ipa file and submit your app to App Store Connect as an update of your existing app.

The process to update an app in App Store Connect is described in this online help .
Once the new version of your app has been uploaded, you will also be able to test it with TestFlight .

In case you don't manage to upload your app after completing all these steps correctly, ​a manual intervention from us may be necessary.
In this case, please contact the support and provide the error message you are getting on Transporter.