Code-named Hima, the AT&T HTC One (M9) was announced on March 1, 2015, as a successor to the successful HTC One M8. It retains much of the exterior styling of the M8, while making a number of improvements on the internals. It's powered by a 64-bit 2GHz octa-core Qualcomm Snapdragon 810 processor and 3GB of RAM. It features a 5" SuperLCD3 1920 x 1080 display, 32GB internal storage, with up to 128GB available via microSD, and a 2840mAh battery, with fast-charging technology. The M9 rear shooter has a 20.7MP sensor, with dual flash and 4K video at 30fps. The front facing camera features the main camera taken from the HTC One M8, giving it a 4UP sensor, with HDR and 1080p video.
On the exterior, the M9 boasts HTC's Boomsound speakers, with 5.1 surround sound effect, developed in partnership with Dolby, which also features in headphone use.