i can't root my galaxy S4 i9506 on lollipop

hi every one, i try all way to root my galaxy all failed, i think the probleme is from the rom version :
phone : galaxy S4
model : GT-I9506
android : 5.0.1
PDA : I9506XXUDOF2
CSC : I9506NEEDOG1

rom officiel (Nordic countries) from sammobile this is all information about it
http://www.sammobile.com/firmwares/d...06NEEDOG1_NEE/

Help please. :(