Oppo A57 4G Full Specifications:

First Release                           June 6, 2022

Colors                                      Glowing Black, Glowing Green

Connectivity:

Network                                   2G, 3G, 4G

SIM                                          Dual Nano SIM

WLAN                                      ✅ dual-band, Wi-Fi direct, Wi-Fi hotspot

Bluetooth                                 ✅ v5.3, A2DP, LE, aptX HD

GPS                                        ✅ A-GPS, GLONASS, GALILEO, BDS

Radio                                       Unspecified

USB                                         v2.0

OTG                                        ✅

USB Type-C                            ✅

NFC                                         ✖

Body: 

Style                                        Minimal Notch

Material                                   Glass front, plastic body

Water Resistance                    ✖

Dimensions                             163.7 x 75 x 8 millimeters

Weight                                     187 grams

Display:         

Size                                         6.56 inches

Resolution                               HD+ 720 x 1612 pixels (269 ppi)

Technology                              IPS LCD Touchscreen

Protection                                ✖

Features                                  Multitouch

Back Camera:

Resolution                               Dual 13+2 Megapixel

Features                                  Autofocus, LED flash, f/2.2, 1/3.06″, 1.12µm, depth & more

Video Recording                     Full HD (1080p)

Front Camera:          

Resolution                               8 Megapixel

Features                                  F/2.0, HDR & more

Video Recording                     Full HD (1080p)

Battery:                     

Type and Capacity                  Lithium-polymer 5000 mAh (non-removable)

Fast Charging                         ✅ 33W Fast Charging (50% in 30 minutes)

Performance:

Operating System                   Android 12 (ColorOS 12.1)

Chipset                                    MediaTek Helio G35 (12 nm)

RAM                                        4 GB

Processor                                Octa core, up to 2.3 GHz

GPU                                        PowerVR GE8320

Storage:        

ROM                                        64 GB (eMMC 5.1)

MicroSD Slot                           ✅ Dedicated slot

Sound:           

3.5mm Jack                            ✅

Features                                  Loudspeaker

Security:        

Fingerprint                               ✅ Side-mounted

Face Unlock                            ✅

Others:

Sensors                                   Fingerprint, Accelerometer, Proximity

Manufactured by                     Oppo

Made in                                   Bangladesh