problem with A300f flash firmware

hi
i wanted to update my phone from 4.4.4 to 5.0.2 but odin stuck on aboot.mbn then i downloaded 4 files firmware include bl ap cp csc but odin said aboot,mbn fail and then i flashed just ap file but i saw an error on writing system.img and now my phone dosnt boot and auto goes to download mode.
please help

here odin log :
Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> A300FXXU1BOD5_A300FOXY1BOD5_A300FXXU1BOD5_HOME.tar .md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/037> Added!!
<ID:0/037> Odin engine v(ID:3.1005)..
<ID:0/037> File analysis..
<ID:0/037> SetupConnection..
<ID:0/037> Initialzation..
<ID:0/037> Get PIT for mapping..
<ID:0/037> Firmware update start..
<ID:0/037> SingleDownload.
<ID:0/037> aboot.mbn
<ID:0/037> NAND Write Start!!
<ID:0/037> FAIL! (Auth)
<ID:0/037>
<ID:0/037> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)


i have downloaded 10 different files but problem still doesnt solve. also i have tried recover phone with Kies but it doesnt know phone