iphone application icon was blur when show on the itunes store

Question

my icon was blur when show on the itunes Store but fine in iphone's locally appstore,my large icon format is:

pixel:512X512 format:png dpi:72

can anybody point to me what is the reason of icon getting blur in itunes store since i have followed all the spec required by apple alr

Answer 1

Your 512x512 icon should be a jpeg though I can't imagine it being uploaded as iTunes Connect rejects other formats.

Resubmitting is an option.