Sprint gave some of its high-end smartphones a speed boost this week. The company added 3-channel carrier aggregation to the Apple iPhone 7 and 7 Plus, Samsung Galaxy S7 and S7 edge, and the LG V20 and G5. The HTC Bolt already supports 3xCA, and Sprint plans to update a half dozen more phones soon. The update, which binds together three spectrum bands, boosts potential top download speeds from 100 Mbps to more than 200 Mbps. Sprint says 2xCA is already available in some 250 markets and that it has added 3xCA to about 100 markets. The 3xCA technology will serve as the base for Sprint's forthcoming HPUE network technology. Combining HPUE, 3xCA, 256 QAM, and MIMO can deliver 1 Gbps speeds, according to Sprint. Sprint will begin deploying HPUE in its 2.5 GHz spectrum (Band 41) later this year. The company said 55% of its post-paid phones will support HPUE by the end of this year, with the rest to follow in 2018.


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