Hi, i bought a sidekick lx just today and i am an at&t carrier. When i unlocked it and i manually choose networks there are only 3 options, "AT&T DR, AT&T microcell, and T-mobile." The at&t DR doesnt even work and i dont even know what it is. At&t microcell works but i heard it is for a 3g network. For my at&t plan, i only have unlimited texting with no data plan. If i use at&t microcell will i get charged with the data plan? Please me and thank you.