Oppo A57 ($ 217)

Specifications:

Dimensions149.1 x 72.9 x 7.7 mm
Weight147 g
Battery2900 mAh, (Non-removable Li-Ion)
OSAndroid OS, v6.0 (Marshmallow)
Memory32GB built-in, 3GB RAM MicroSD card (support up to 256GB) (uses SIM 2 slot)
Processor1.4 GHz Octa-Core Cortex-A53, Qualcomm MSM8940 Snapdragon 435
GPU: Adreno 505
ConnectivityBluetooth v4.1, with A2DP USB (microUSB v2.0, USB Host), WLAN (Wi-Fi 802.11 b/g/n, hotspot), GPRS, EDGE, 3G HSPA, 4G LTE
Display Size5.2 Inches, 720 x 1280 pixels 282 PPI
Sensors: Accelerometer, proximity, compass, Fingerprint
Display ColourIPS LCD capacitive touchscreen, 16M colors, Multitouch, Color OS 3.0
OperatingSIM1 GSM 850 / 900 / 1800 / 1900
Frequency / BandSIM2: GSM 850 / 900 / 1800 / 1900
3G BandHSDPA 850 / 900 / 1900 / 2100
4G BandLTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
BrowserHTML5
ColorsGold, Rose Gold
EntertainmentFM Radio, 3.5mm audio jack, MP4/H.264/FLAC player, MP3/eAAC+/WAV player, Google Talk, Games (built-in + downloadable)
Camera13 MP, f/2.2, phase detection autofocus, LED flash, Geo-tagging, touch focus, face detection, HDR, panorama, Video (1080p@30fps), 2ndry 16 MP, f/2.0, 1.12 µm pixel size, 1080p
Other FeaturesGPS + A-GPS support, Dual SIM + Nano-SIM, dual stand-by), Google Search, Maps, Gmail, Youtube, Calendar, Speakerphone
Ring TonesDownlaodable, Polyphonic, MP3, WAV
MessagingSMS (threaded view), MMS, Email, Push Email