That's how HTC made their device One E9+

HTC was announced model One E9+ on 2015 March

Connectivity

One E9+ has bands EDGE, GPRS, 2G, 3G and LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500). Speed is HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, GSM / HSPA / LTE.

Communication types on One E9+ are GPS Yes, with A-GPS, GLONASS, BDS, USB microUSB 2.0, WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, hotspot, Radio FM radio, Bluetooth 4.1, A2DP, aptX, NFC.

About One E9+ camera

20 megapixels lens sensor is put in this phone with aperture of camera f/2.2 with focal length 28mm. And another extra options are autofocus, LED flash. Video recording on main camera of HTC One E9+ is supported with 2160p@30fps choices. This is quite good for example one of available devices at the moment, QMobile Noir LT600, This time HTC designers decided to install 20 megapixles sensor. Few another extra charateristics are autofocus, LED flash. Video recording on main camera of the One E9+ is available with 720p@30fps choices

In this case Taiwanian company engineers decided to put 20 million pixels front camera and hole is f/2.0 with focal length 27mm. Few another extra information are 1080p@30fps, , , 1/3" sensor size, 2µm pixel size, 1080p@30fps, HDR(market dependent).

And how is this fast?

Octa-core 2.0 GHz Cortex-A53 core is installed on this model, with chip Mediatek MT6795M Helio X10, Considering HTC One E9+ pricing category graphic card on this model is PowerVR G6200.

Storage on One E9+ is 32 GB, 3 GB RAM, microSD is available microSD, up to 256 GB (dedicated slot), ant this is running Android 5.0 (Lollipop), planned upgrade to 6.0 (Marshmallow).

Body and color options

Taiwanian company engineers made One E9+ as 76.5mmX156.5mmX7.5mm.

One E9+ by Taiwanian company has 2 colors, which are meteor gray, classic rose gold and gold sepia.

Screen on One E9+ made using tehnology Capacitive touchscreen, 16M colors, at a moment One E9+ had screen larger size than 76% of devices in mobile market, more detailed 5.5 inches, 83.4 cm2 (~69.7% screen-to-body ratio) screen supporting resolution 1440 x 2560 pixels proportions are 16:9 and having density 534 pixels in 1 inch supporting multi touch, regarding screen protection we can note that used corning Gorilla Glass 4. Few more info regarding display

• HTC Sense UI 7.0

Miscellaneous

Few features on the model are - MP4/H.264 player - MP3/eAAC+/WAV player - Document viewer - Photo/video editor.

Let's talk a bit about battery - it is most important thing on phone in nowdays Non-removable Li-Po 2800 mAh battery.

Accelerometer, gyro, proximity, compass sensors are supported on HTC One E9+.