Oppo A57:NETWORK Technology GSM / CDMA / HSPA / LTE LAUNCH Announced 2016, November Status Available. Released 2016, December BODY Dimensions 149.1 x 72.9 x 7.7 mm (5.87 x 2.87 x 0.30 in) Weight 147 g (5.19 oz) SIM Dual SIM (Nano-SIM, dual stand-by) DISPLAY Type IPS LCD capacitive touchscreen, 16M colors Size 5.2 inches (~68.6% screen-to-body ratio) Resolution 720 x 1280 pixels (~282 ppi pixel density) Multitouch Yes - Color OS 3.0 PLATFORM OS Android OS, v6.0 (Marshmallow) Chipset Qualcomm MSM8940 Snapdragon 435 CPU Octa-core 1.4 GHz Cortex-A53 GPU Adreno 505 MEMORY Card slot microSD, up to 256 GB (uses SIM 2 slot) Internal 32 GB, 3 GB RAM CAMERA Primary 13 MP, f/2.2, phase detection autofocus, LED flash Features Geo-tagging, touch focus, face detection, HDR, panorama Video 1080p@30fps Secondary 16 MP, f/2.0, 1.12 µm pixel size, 1080p SOUND Alert types Vibration; MP3, WAV ringtones Loudspeaker Yes 3.5mm jack Yes COMMS WLAN Wi-Fi 802.11 b/g/n, hotspot Bluetooth v4.1, A2DP GPS Yes, with A-GPS Radio FM radio USB microUSB v2.0, USB Host FEATURES Sensors Fingerprint (front-mounted), accelerometer, proximity, compass Messaging SMS (threaded view), MMS, Email, Push Email Browser HTML5 Java No - MP4/H.264/FLAC player - MP3/eAAC+/WAV player - Document viewer - Photo viewer/editor BATTERY Non-removable Li-Ion 2900 mAh battery MISC Colors Gold, Rose Gold Price group 6/10