[flashrom] problems with flashrom

Hey there, i have a problem

I have read out my 25Q064A (N25Q064...3E) successful with flashrom and it seams to erasing successful too but after writing it said verifying failed at all time. Thhe backup dumb too. Is there a solving for my Problem . Flashrom sais some times the chip is in an unknown state. Did i brick my EFI chip ??

Thanks for your answers