[Q] my brother phone dont get 4.3 update? topic

hi, my brother have this galaxy nexus 9250 phone.. and he dont have got that 4.3 update? i live in finland... he have checked updates but phone says that there is no updates.. does anyone know about this? thanks. and can i flash orginal and stock firmware with that? newer i mean.. if he had 4.2.2 now.