UXCI is a 8-pin USB 2.0 or 3.0-based connector created by Theorysonic. Introduced in February 2016 to replace its predecessor, the XCI, UXCI is used to charging and syncing data and files 4x faster than XCI for TheoryPhone X6 and later, TheoryTablet X6 and later, TheoryTablet Pro X6 and later, Portosic Touch Z1 or later, Portosic Digital 9 or later, and Portosic Mini 7 or later.

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