Tab 4 SM-t337a Lollipop 5.1.1 Brick Problem?

Hello all - I have spent the last several days searching the web for a solution and I fear I may be stuck. From what I can gather, there is no stock firmware image of 5.1.1 that I can use on my t337a Tab to restore to factory. I installed KingoRoot from the play store and then tried to install Xposed Framework. This is when all hell broke loose. I am not familiar with android as I am an ios guy and admittedly did not spend enough time researching. I now must defer to the world and accept the flaming that will almost certainly ensue. Here is the info I have:

Lollipop 5.1.1 was the starting point.
SM-t337a tab 4 8"
Knox Warranty 0x0 (not sure if that matters)
Current Binary: Samsung Official
System Status: Official
Reactivation Lock: Off
Qualcomm Secureboot: Enable (csb)
RP AWREV: s1, t2, r1, a2, p1
Secure Download: Enable
UDC Start

Sorry if that means nothing but I want to be thorough if anyone is willing to help. I have tried the LP Boot Fix with no luck. I boot to the AT&T logo and after a few secs it locks up and sits there. I have attempted to downgrade to KK but the write failed (auth). I believe I need to flash a pit file? but before I jump back in, I thought I would consult some people more educated than I am. My understanding is there may be a way to take it to a retailer and have them reflash but that would be admitting defeat.

Thanks in advance for any help offered. If more info is needed, I will get it promptly.

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