Hardware Similar to the
One M8, the phone is constructed of a unibody aluminum frame with
brushed metal backing. The device weighs . It is tall, wide, and thick. The display of the device is
Super AMOLED with a resolution of 1920 x 1080
pixels and
pixel density of 440 ppi. The device features an octa-core
Qualcomm Snapdragon 617 system-on-chip. There are two configurations offered: 16 GB of capacity with 2 GB
LPDDR4 RAM and 32 GB of capacity with 3 GB RAM. Both configurations can support storage expansion by
microSD card up to 2 TB. The HTC One A9 is equipped with a 13.0-megapixel
BSI rear-facing camera along with
optical image stabilization, ƒ/2.0
aperture and dual-LED tone flash. Similar to One M9, the front facing camera has an
UltraPixel image sensor, designed to work well in low-light environments. The camera offers a pro-mode where the user can adjust the
ISO, shutter speed and the
white balance the camera is also capable of capturing images in
RAW format. It also adds support with
NFC but however it is restricted to be only used with
Android Pay, which is a digital wallet platform developed by Google to power in-app and tap-to-pay purchases on mobile devices. The phone is available in opal silver, deep garnet, topaz gold and carbon grey color finishes. In January 2016, HTC launched the device in pink color variant for sale in Taiwan.
Software The device is pre-installed with a customized version of
Android 6.0 Marshmallow along with a lighter version of the
Sense 7 as the user interface utilizing stock android experience which is known as Sense 7G. Unlike the Sense 6 and 7 used on other devices, the Sense 7G utilizes the
material design as the default color scheme, the stock notification and recent apps menu are used instead of the HTC's own design of notification and recent apps menu. Pre-loaded applications on the A9 provide access to
Google's various services, including
Google Play, which can be used to download and purchase apps, music, movies, and e-books. The phone also features HTC's software suite such as BlinkFeed, Gallery which supports to display and edit images in
RAW format and Zoe which allows users to collaborate on highlight reels but it no longer features the HTC's Music app and instead comes pre-installed with
Google Play Music. The phone utilizes the Marshmallow features such as
Google Now on Tap which allows users to perform searches within the context of information currently being displayed in an app, a new power management system that reduces background activity when a device is not being physically handled which is known as "Doze", native support for fingerprint recognition and the ability to migrate data to a microSD card and use it as primary storage, as well as other internal changes. They have also mentioned that the users of the unlocked variant of the device can unlock the bootloader without voiding the warranty of the phone. In December 2015, HTC released a maintenance update for the unlocked variant which updates the phone to Android Marshmallow 6.0.1 The
Android 7.0 Nougat began rolling out to the unlocked HTC One A9 on January 16, 2017.
Sound Unlike the One M9, the phone does not feature the "Boomsound" stereo front facing speakers but instead it utilizes a mono speaker located on the bottom of the device. The phone features
Dolby Surround sound for headphones and it can also play
high-resolution audio. It is installed with a
digital-to-analog converter (DAC) which upscale the audio from 16 bits to 24 bits. HTC has explained that the phone connected to Verizon's network relies on the phone's
LTE radio for making phone calls and sending
SMS and
MMS, which became possible through the advancement of
VoLTE. However, the communication capabilities cannot work if there is no LTE coverage. ==Variants==