Sony announced the Sony Xperia E3 smartphone on September 2014 and released it the same month that comes up with  Android OS, v4.4.2 (KitKat) upgradable to v5.0 (Lollipop) and is planned to upgrade to v6.0 (Marshmallow). This phone has a dimension of 137.1 x 69.4 x 8.5 mm (5.40 x 2.73 x 0.33 in) having thickness 8.5 mm and weighs about 143.8 grams.
This phone supports GSM/ HPSA/ LTE network configurations. It uses Micro-SIM technology. The display is of 16M colors and has IPS LCD capacities touchscreen. The screen size is 4.5 inches, and the screen-to-body ratio is 58.6%. The screen resolution is 480 x 854 pixels which are precisely 218 PPI pixel density. It supports multi touch up to 2 fingers and comes up with Shatter proof glass.
It has got Qualcomm MSM8926-2 Snapdragon 400 chipset, and CPU comprises of Quad-core 1.2 GHz Cortex-A7 processors. The GPU used is Adrenal 305. The internal memory available is 4 GB, and it contains 1 GB RAM. It supports a micro SD card that could be expanded up to 32 GB (dedicated slot).
The primary camera comprises of a 5 MP, autofocus, LED flash camera while the secondary is VGA camera. The video quality is 1080 [email protected] The camera has got features like Geo-tagging, touch focus, face/smile detection, panorama, HDR and Geo-tagging mode. The microphone jack is 3.55 mm and contains loudspeakers.
The Bluetooth version is 4.0, A2DP. The WLAN supported are Wi-Fi 802.11 b/g/n, Wi-Fi Direct, and hotpots. The GPS technology used is A-GPS, GLONASS. It supports NFC connection. It also contains FM radio with RDS. The browser is HTML 5. It also comes with proximity, accelerator, and compass sensors.
The USB available is micro USB v2.0 with USB hosting.  The battery used is Non-removable Li-Po 2330 mAh battery having Stand-by up to 706 h (2 G) /up to 661 h (3 G), Talk time up to 12 h 20 min(2 G)/ Up to 8 h 41 min (3 G) and music play up to 49 h along with the endurance rating of 75 h. The colors available are Black, White, Yellow, and Copper.
The available models are Sony Xperia D 2203, D 2206, D 2243, D 2202. The main disadvantages of this phone are this phone has low screen resolution also the thick bezels make the device bigger than 4.5″ peers, and the battery isn’t user-replaceable.