iPad 2的wi - fi和3 g iPad 2 (wi - fi + 3 g iPad 2 Wi-Fi and iPad 2 Wi-Fi + 3G are the variations of the iPad 2, the second generation iPad released by Apple on 2nd march 2011. iPad 2 Wi-Fi + 3G is sold in US by AT&T and Verizon. It again has two models, […]