The iPhone assembly app is very good and complements the paper guide. With three exceptions the assembly is quite easy. The paper guide and the app differ in a few places. Installing the top brackets for the doors is poor. It is very difficult to get the nuts screwed in. This really needs a redesign.  The retainer clip for the propane hose is unacceptable. It is a cheap piece of plastic that does not fit properly into its socket and does not stay in place. We have yet to use the grill but the quality of most of the parts and their construction are impressive