a) Compile your app in release mode
b) https://developer.apple.com with store certificates as described here: http://www.b4x.com/android/forum/threads/publishing-your-app-to-the-app-store.57528/#content
Download the compiled app to the PC with Tools - Build Server - Download last build.
https://itunesconnect.apple.com Create a new app record in iTunes Connect and save it.
@TODO Fill your iTunes Connect user name and password. Choose the previously downloaded archive.zip file.
@TODO Click on the upload button. Note that this step can take several minutes (even more than 10 minutes). You can continue to work during the upload.
a) remove all the files in B4iBuildServer b) renew ios_distribution.cer notification.mobileprovision