How can I root my Galaxy Alpha?

[AC Question]

i am trying to root my galaxy alphs but it keeps failing

i used odin to try and root my galaxy alpha g850a on 5.0.2 and i downloaded the samsung usb driver and ran it with my phone in and it worked no problem and then i put the file in the PDA selection of odin and put my phone in download mode and tried to start the download and it will start and say
<ID:0/004> Odin v.3 engine (ID:4)..
<ID:0/004> File analysis..
<ID:0/004> SetupConnection..
<ID:0/004> Initialzation..
<ID:0/004> Get PIT for mapping..
<ID:0/004> Firmware update start..
<ID:0/004> recovery.img
<ID:0/004> NAND Write Start!!
<ID:0/004> FAIL! (Auth)
<OSM> All threads completed. (succeed 0 / failed 1)
someone please help i have no idea what im doing wrong

 

[gjoseph14]

As I understand it, no root exists for the AT&T G850A version. Trust me, I've looked and tried several, none works.