I used to defrag my SD card,all my photos were deleted please help me what to do to recover it i use recuva but it isn't helpfull.
probably more a Recuva thread, but can you provide more info.
a screenshot, an error message, something to help us go on.
I've moved your topic to the Recuva discussion, and as mta says, as much info as you can provide will help tremendously.
Have you tried Recuva, and if so what happened?