Lenovo IdeaPhone A820 is a dual-SIM, quad-core MediaTek MT6589 based^[2] smartphone belonging to the A series which is an entry-level group of Lenovo mobile communication products. It has been introduced to the market in March 2013.^[3]

The phone supports 900 MHz, 1800 MHz, 1900 MHz GSM bands as well as 900 MHz and 2100 MHz UMTS frequencies using GRPS, EDGE, HSDPA, HSUPA, HSPA and HSPA+ technology.^[2]

The CPU is Mediatek MT6589 1.2 GHz quad-core processor.^[2]

It has 4.5 inch IPS screen with a qHD resolution of 540x960 px displaying up to 16M colors and covered with a multitouch (up to 5 touch points) panel.^[2]

Graphics is run by an incorporated Imagination PowerVR SGX544 GPU.^[2]

RAM memory is 1 GB, internal eMMC memory size is 4 GiB, out of which 2.18 GiB is available as an internal SD card. Additionally, the smartphone supports external microSD/microSDHC card of a capacity up to 32 GiB.^[2]

The Li-Ion battery capacity is 2000 mAh.^[2]

The phone dimensions are 135 x 68.2 x 9.9 mm (5.32 x 2.68 x 0.39 inch) with the weight being 145 g (5.11 oz).^[2]

Stock A820 is running Android 4.1.2 Jelly Bean operating system, although unofficial alternative ROMs^[4] exist using various Android OS versions.

Lenovo A820 received a very warm reception across the world, despite the fact that it is directly available only in China, India, Indonesia, Russia, the Philippines, and Vietnam. In a review for Mobile Network Comparison the author summarized that Lenovo A820 "offers incomparable value compared to almost any phone available on British high streets".^[5] It is criticized basically only for a lack of LED flash and a local Chinese stock ROM without multilingual and Google Play Store support.