scs said:first rejected sim must be clean with alcohol ,surgical or clean it using pencil eraser.still sim reject shows on ur phones only dialog company can help u providing new sim card for u.also insert ur sim to another phone and check what that phone shows.sometimes in mobile unit defects shows this massage too.
br.
Thanks for the help macho.
I checked the phone. it's working.
I think I have to go 2 Dialog.
Thanks again

, so pls don't bring the whole country to unlock their phones. 

so im bak here to help.