HTC unveiled "the fastest phone" for Sprint's LTE Plus network - aptly named the HTC Bolt after the man himself, the fastest human on Earth. The analogy here is made with Qualcomm's X10 model, which uses 3x20MHz carrier aggregation (3CA) for up to 450Mbps downlink speeds (that's Cat. 9). Not to rain on HTC's parade, but Samsung already demoed the Galaxy S7 and S7 edge doing 3CA and achieved peak real world download speeds of over 300Mbps. That's because those phones use the newer X12 modem. The Bolt could have had the X12 modem too, had HTC chosen a newer Qualcomm chipset, but instead...
Source: http://www.gsmarena.com/weekly_poll_is_htc_bolt_what_the_company_needed-news-21585.php
