Apple in a job listing has signaled its plans to get advanced 3G and 4G. A sport for a Cellular Technology Software Manager would implement mobile data protocols that include the existing UMTS/WCDMA and HSPA already used by the iPhone but also HSPA+ 3G and LTE 4G, standards that have yet to reach any Apple device. The technology could give future iPhones 21Mbps 3G on networks that support it as well as 100Mbps 4G.