Caught in a Boot Loop after Rooting

Hi folks,

I have a Samsung Galaxy S4 SPH-L720, 16 GB, Black Mist, Sprint. I bought it from SamsClub this past August and it's connected to the Sprint network through FreedomPop.<Link removed>
FreedomPop doesn't matter in this situation though, but I thought the extra information may help.

This morning I wanted to try rooting it with SuperUS which was already on my phone. Somehow the operation failed and the phone needed to reboot. So I rebooted it, but it would just sit there.. loading. It couldn't get past the FreedomPop loading screen, I left it for about 20 minutes but it was still loading and the back of the phone was really hot. I tried booting into Recovery Mode and that worked so I did a system restore in hopes that that would fix all my problems, but it still wouldn't get past the loading screen. So, I tried clearing the Cache and the Dalvick cache and that didn't help either.

So.. I decided to try to return my phone to stock using Odin and stock Firmware. Everything was going great, but then Odin stopped and said the operation failed. Here's the log.

<OSM> Enter CS for MD5..
<OSM> Check MD5.. Do not unplug the cable..
<OSM> Please wait..
<OSM> L720VPUAMDC_L720SPTAMDC_L720VPUAMDC_HOME.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> aboot.mbn
<ID:0/005> NAND Write Start!!
<ID:0/005>
<ID:0/005> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)

Now what do I do? I do not want to have to buy a new phone.

Thanks for any help.

-Chuck

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