Nearly a year ago, HTC launched the Desire 816. This phone had a serious impact on the market, because it offered solid specifications and quality at a mid-range price. This was followed by the HTC Desire 820, another successful device with an impressive feature list. The Desire 820 was also one of the first smartphones to feature Qualcomm’s 64-bit octa-core Snapdragon 615 SoC, and showed HTC’s...