Default New to Samsung phones, need help with root/unlock problems

The phone is a i535, initially I used invislbeks (spelling?) root and unlock method but ran into a bootloop I could not get out of. I tried factory reset and it would still loop. So I did a little reading and used Odin to flash the stock F1 tar.md5. This allowed me to boot the phone however now I'm stuck in factory mode. The IMEI seems to be intact as I'm able to make and take calls however the /efs folder is empty.

My ultimate goal was to flash CM11 but at this point I'll take a fully functioning stock device.

I'm stuck and my Google fu is failing me so any help would be appreciated.

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