That's how Oppo made their model A53
Oppo was announced model A53 on 2015 November
This model supporting bands EDGE, GPRS, 2G, 3G and LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500). Performance is about HSPA, LTE, GSM / HSPA / LTE, TD-SCDMA.
Communication types on this model are GPS Yes, with A-GPS, USB microUSB 2.0, USB Host, Radio FM radio, Bluetooth 4.0, A2DP, NFC, WLAN.
Size and screen
Oppo made their A53 model rectangle 77mm on 153mm with thikness 7.4mm.
1 colors are available for the model, white/gold.
On A53 maiden using tehnology IPS LCD capacitive touchscreen, 16M colors, on that point Oppo A53 was ahead from 71% existing mobile phones by diplay size, enforced by 5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio) screen supporting resolution 720 x 1280 pixels having proportions 16:9, density 267 pixels in 1 inch supports multi touch. Some other details regarding display
This model owed CPU Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53), using chip Qualcomm MSM8939v2 Snapdragon 616, Considering Oppo A53 rank graphic card on this device is Adreno 405.
Storage on this model is 16 GB, 2 GB RAM, external card slot is available microSD, up to 256 GB (uses SIM 2 slot), under the hood is Android 5.1 (Lollipop).
Oppo A53 camera specifiactions
13 mega pixels camera is put in this devide. Some another extra charateristics are autofocus, LED flash. Video recording on main camera of Oppo A53 is supported with [email protected] options.
This devide got 13 mp front facing lens. Unfortunatelly missing any info to tell about.
Some photo examples, please see main page of Oppo A53 to see more photos
Exposure Time: 41666/2499961, ISO: 133, focus: 11/5, Light conditions: Daylight,
Exposure Time: 41666/2499961, ISO: 194, focus: 11/5, Light conditions: Daylight,
Exposure Time: 1/24, ISO: 381, focus: 12/5, Light conditions: Daylight,
Additional features on this model are - MP4/H.264/FLAC player - MP3/eAAC+/WAV player - Document viewer - Photo viewer/editor.
About autonomy of Oppo A53, it has Non-removable Li-Ion 3075 mAh battery.
Another important features on smartphone are sensors, so this device got Accelerometer, proximity, compass.