Citizens Fiber, a US cable TV and internet provider with a tiny subscriber base of just 3,500, has handed troubled IP video software vendor MobiTV its first deployment deal in what feels like a lifetime. Contracts at AT&T, Verizon, Sprint and Deutsche Telekom should be keeping the business more than healthy, but it is uncertain how long it can keep those deals, as MNOs completely refocus their mobile TV approaches. MobiTV was given a last chance round of funding from Oak Investment Partners and Ally Corporate Finance one year ago, to the tune of $21m. The cash was intended to accelerate the expansion of its MobiTV Connect software, shifting from its core mobile TV business to one targeting both mobile…