Sim Unlock Working for Samsung Galaxy A3(SM-A300FU)!!

Recently i found a way to sim unlock Samsunga Galaxy A3(Sm-A300FU),there is no need to root,this worked for me on firmware A300FUXXU1ANL5 So this are the steps:
Dial *#0011#
When Menu comes long press options button and hit BACK
Long press again options button and press KEY INPUT then enter "Q"
Then again long press option button press KEY INPUT then enter "0000"(zero)
Now you should wait about 10-15 seconds and a new menu will come out
From that menu select option 2 UE SETTING & INFO
Next menu select option 1 SETTING
Next menu select 2 SYSTEM
Next menu select 4 NV BACKUP TEST
Next menu select 2 MAKE BACKUP
After that long press option button and hit BACK
Here select option 3 EFS CLEAR & RESTORE
Long press option button and hit BACK
Again long press option button and hit BACK
Here select option 3 NV REBUILD
Here select option 3 ALL
Reboot and Done!
I hope it works for you,i allready test it on 5 SAMSUNG A3 Locked to Vodafone Spain