Hmm S5 be interesting to see what changes they make.
http://www.phonearena.com/news/AT-Ts-Samsung-Galaxy-S5-may-be-in-testing-as-the-SM-G900A_id50478
http://www.phonearena.com/news/AT-Ts-Samsung-Galaxy-S5-may-be-in-testing-as-the-SM-G900A_id50478