Hi Erel, I use a local Mac machine connected over the local network. I have produced ipa file and upload to iTunes connect, but check when submitting application, Apple web system tips I have to upload the 3.5-inch, 4-inch, 4.7 inch, 5.5 inch, 8-inch screen shots and other size, I have a iphone5c, can only provide Screenshot 4 inches, and b4i can not let me execute app in iphone emulator, are there any suggestions, let me get all size screenshots. For example: Can I open the project through Xcode and how to perform but need to set it in the iphone emulator?? Thanks a lot.