Sprint outs new iPhone 4S ad: Unlimited iPhone (video)

Just a couple of days after Verizon’s AT&T-mocking iPhone 4S advert, Sprint has released one of their own, titled Unlimited iPhone. The video (below) is just another tactical move in the ongoing three-way war between Verizon, AT&T and Sprint — all of whom are trying to attract as many customers as they can with each claiming to provide lower rates and better call quality with less downtime.