Just applesign

my iPhone shows just the applesign when i switch it on...

i ve tried to restore it through itunes but the problem still exists...
Please help me

mine was doing that the other day, near crapped my pants though i bricked it. i just kept turning it on and off and then i connected it to itunes and it suddenly fixed itself. i did a restore after that and its never happened again.

same problem :(

and i restored it a couple of times but nothing happens