Name: HTC Desire 820 (A51)
Brand: HTC

HTC Desire 820 (A51), photo — Photo: Wikimedia Commons · Kskhh · CC BY-SA 4.0

IFA, September 2014. HTC's first 64-bit phone: a 1.5 GHz Snapdragon 615 (8 cores), a 5.5" 720p display, 2 GB of RAM, 16 GB plus microSD, a 13 MP camera with an 8 MP front camera, BoomSound, Sense 6, a 2600 mAh battery, LTE and two-tone polycarbonate. Android 4.4.4 → 6.0. Variants: the Desire 820q (Snapdragon 410, 4 cores), 820s (MediaTek MT6752), 820G+ (MediaTek), 820 dual sim, and the Desire 820 mini (= Desire 620).

Specifications

OS	Android 4.4.4 → 6.0 + HTC Sense 6 → 7
Processor	Qualcomm Snapdragon 615 MSM8939, 8 cores (4×1.5 + 4×1.0 GHz), 64-bit
RAM	2 GB
Storage	16 GB + microSD
Display	5.5" 1280×720
Camera	13 MP f/2.2, 1080p + 8 MP
Networks	LTE
Audio	BoomSound
Battery	2600 mAh
Weight	155 g

Data from Wikipedia (en)

Manufacturer	HTC
Brand	HTC
Series	Desire
Form factor	Slate
OS	Original: Android 4.4.2 "KitKat"; Current: Android 6.0.1 Marshmallow
Predecessor	HTC Desire 816

From Wikipedia

The HTC Desire 820 is a mid range Android-based smartphone designed and manufactured by HTC aired and available from November 2014. It is the successor of HTC Desire 816. The smartphone features a 5.5-inch super LCD 2 display with a 1280x720 resolution. Unlike the scratch resistance glass panel of HTC Desire 816, it has Corning Gorilla Glass lll. Desire 820 supports full hd video recording and play back. It offers HTC Sense 6.5. The processor is a Qualcomm Snapdragon 615, 64 bit ARM Cortex A53 octa-core system on a chip. It is accompanied by 2 GB RAM, 16 GB internal memory, 128 GB external memory capacity and a non removable 2600 mAh battery. It also comes with a 13.0 MP rear-facing camera and 8 MP front-facing camera. The smartphone came with Android KitKat version 4.4.2 and Android Marshmallow was released in 2016.

Source: HTC Desire 820 — Wikipedia (CC BY-SA 4.0)

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