Samsung unveiled the Galaxy S5, its first high-end Android-powered flagship smartphone of 2014, at the Mobile World Congress in Barcelona last month, However, the South Korean company omitted to inform us that an exclusive LTE-Advanced AT&T variant would also be landing in the States, along with the 4G model. A recent FCC filing shows that the upcoming S5 variant will support AT&Tâs LTE and HSPA data services â bands 2, 4, 15 and 17 â thus confirming the existence of LTE Advanced capabilities on the handset.