title: How to publish iPhone app and create binary file
body: <p>I want to submit new version of app which was first uploaded by  my friend. now i want to update it on app store. </p>
  
  <p>I am following <a href="http://www.edumobile.org/iphone/iphone-programming-tutorials/submitting-iphone-apps-to-the-apple-app-store-a-step-by-step-guide/" rel="nofollow">this</a> tutorial link for uploading app on app-store</p>
  
  <p>But whenever i am download provisional certificate for distribution and i click on it, it says valid signing identity not found. What i am doing wrong in it. 
  I have create certificate from key chain access and upload it to Development under Certificates and downloaded it . and then created my APP id and then created provisional certificate and downloaded it and clicked on it, then it opened in xCODE ( valid signing identity not found.</p>