App must also run on iPad without modification

2.10-iPhone Apps must also run on iPad without modification, at iPhone resolution, and at 2X iPhone 3GS resoluution

I saw all other same questions about this problem that had been asked here in stack-overflow, but It can't be fixed , I don't know what the problem is because my app is only for iPhone and not universal, I tried almost all instructions and answers that I found here in stack overflow but problem is same... here is a screenshot from apple when app is running on iPad:

http://ift.tt/1DXDWWR