Default [Q] Forgot to Turn on USB Debugging, ODIN not working

Hi Everyone,

I was trying to unlock my Samsung Galaxy S3 I-747M (I'm on Bell in Canada). Everywhere I looked on the internet instructed me to downgrade my version to 4.1.1 and then enter the magic numbers to unlock my phone.

So I followed the steps. Downloaded version 4.1.1 of the ROM, ODIN, etc., except a couple of things went wrong:

1) I forgot to turn on USB debugging mode
2) I've now learned that I should not downgrade from 4.3 back to 4.1.1

When I tried to install the ROM via ODIN it didn't work. Based on the other thread, downgrading from 4.3 will hard brick the phone, so I guess I'm lucky it didn't work.

My question is, where do I go from here? I am ready to give up on the unlock process. I just want the phone to work again at this point.

The phone has the following on the screen:

ODIN MODE
PRODUCT NAME: SGH-1747M
CUSTOM BINARY DOWNLOAD: No
CURRENT BINARY: Samsung Official
SYSTEM STATUS: Official
QUALCOMM SECUREBOOT: ENABLE
Warranty Bit: 0
BOOTLOADER RP SWREV: 1

There is a warning symbol between an image of the device and a monitor and it states "Firmware upgrade encountered an issue. Please select recovery mode in Kies & try again."

I can get to the Downloading mode.

I got these messages in ODIN:

<ID:0/005> Added!!
<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> KIES_HOME_I747MUMBLL1_I747MPCTBLL1_688429_REV04_us er_low_ship.tar.md5 is valid.
<OSM> Checking MD5 finished Sucessfully..
<OSM> Leave CS..
<ID:0/005> Odin v.3 engine (ID:5)..
<ID:0/005> File analysis..
<ID:0/005> SetupConnection..
<ID:0/005> Initialzation..
<ID:0/005> Get PIT for mapping..
<ID:0/005> Firmware update start..
<ID:0/005> sbl2.mbn
<ID:0/005> NAND Write Start!!
<ID:0/005> sbl3.mbn
<ID:0/005> aboot.mbn
<ID:0/005>
<ID:0/005> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)