I just got mine, LTE version yesterday also from ebay. No MUX yet.
Poster above: $999? That's crazy. I got mine for $689 new with free screen protector.
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My devices now and then:
Samsung Galaxy Note 10.1 (2014 Edition)
T-Mobile Samsung Galaxy Note 3
Google Nexus 5
T-Mobile Samsung Galaxy Note II
Google Nexus 10
HTC Glacier: myTouch 4G