The HTC One E9s smartphone features a 5.5-inch HD (720×1280 pixels) display offering a pixel density of 267ppi.The device runs on Android 5.0 Lollipop operating system based on Sense 7 skin and is powered by a 1.5GHz Octa-Core MediaTek MT6752M processor. The dual-SIM smartphone support dual Nano-SIM cards and offers 2GB of RAM and 16GB of internal storage which can be expanded up to 2TB using a microSD card. The 4G-enabled HTC One E9s smartphone sports a 13-megapixel rear camera with BSI sensor and LED flash. There is a 4-megapixel UltraPixel front-facing camera also with BSI sensor on board. Both front and rear cameras support 1080p video recording.The HTC One E9s smartphone also features BoomSound with Dolby Audio Surround technology. The smartphone packs in a 2,600 mAh battery and offers 4G LTE, 3G, Wi-Fi, Bluetooth, Micro-USB and GPS as connectivity options.