best basic rugged phones and no contact plan

Hello,I have currently Nokia 2125i and Metro PCS. Am planning to buy new phone and plan.ATT is suppose to have strong signal lousy customer service. Verizon better service and they say excellent signal for all of southeast Michigan-including thumb area. I want best basic RUGGED phone and no contract umlimited call and text.Any advice is appreciated,especially from current ATT and Verizon users in Southeast Mi!