From 2010 to 2012, HTC had a pretty successful series of Sprint-exclusive smartphones that shared the "Evo" name: HTC Evo 4G , HTC Evo 3D, HTC Evo 4G LTE, and so on. This name might be making a comeback, but, surprisingly, not on Sprint.According Evan Blass (@evleaks), "HTC 10 evo" may be the global name of the HTC Bolt - an unannounced handset that should be released soon by Sprint , possibly becoming HTC's first modern smartphone not to have a 3.5 mm headset jack.While HTC has yet to confirm the existence of the Bolt , we've already seen images of it, and it looks like the phone kind of resembles the HTC 10 , tough it's going to be larger, as it's expected to sport a 5.5-inch display. We don't know if the display of the Bolt is a 1080p, or a Quad HD (1440 x 2560 pixels) one - the rumor mill supports both variants. Other features should include Android 7.0 Nougat , 3 GB of RAM, 64 GB of expandable storage space, and - curiously - a Snapdragon 810 processor Sprint could launch the HTC Bolt as soon as this month, but it's not clear when the phone's global variant - presumably the HTC 10 evo - will be available. Nevertheless, we'll be here to let you know more about HTC's upcoming handset as soon as new info is unveiled.source: Evan Blass (Twitter)