Originally Posted by scottjb
Are you sure that's the problem? T-Mobile's Moto X considers HSPA to be 4G. When my T-Mo Moto X switches to HSPA, The 4G icon stays, but the LTE icon goes away. It could be GCI does not use the band(s) the T-Mo phone is equipped to use.
Yep, that's definitely the problem. 3g works great on my iphone, and Nexus 5 but you MUST turn off LTE / 4g in order for it to work. Since the Moto X doesn't have that ability in the software it wasn't working. Seems like the LTE settings app is working well so far.