I have one and we weren't able to unlock with 4.3. I am curious whether anything changed under KK... but AFAIK... The answer is no.
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->MotoQ (Verizon) --> HTC Kaiser (AT&T) ---> iPhone 3GS 32G (Jailbroken) ---> Tmo HD2 ---> Sprint Hero ----> EVO ---> EVO 3D ---> --> Galaxy Nexus --> Motorola Xoom
>>>> Sprint Galaxy Note 3 - rooted
>>>> Verizon Galaxy Note 10.1 (2014) - rooted, Knox untripped: www.towelroot.com
(thanks geohot... You are the man)