Xiaomi Mi 4S ($ 0)

Features:
SensorsAccelerometer, Gyro, Compass, Proximity, FingerPrint

Specifications:

BuildOSAndroid OS
UIMIUI 7.0
Dimensions139.3 x 70.8 x 7.8 mm
Weight133 g
SIMDual-SIM, Dual Standby, Micro/Nano-SIM
ColorsBlack, White, Gold, Pink
Frequency2G BandSIM1: GSM 850 / 900 / 1800 / 1900
SIM2: GSM 850 / 900 / 1800 / 1900
3G BandHSDPA 850 / 1900 / 2100
4G BandLTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
ProcessorCPU1.44 GHz Quad-Core Cortex-A53, 1.82 GHz Dua-Core Cortex-A57
ChipsetQualcomm MSM8992 Snapdragon 808
GPUAdreno 418
DisplayTechnologyIPS LCD capacitive touchscreen, 16M colors, MUltitouch
Size5.0 inches
Resolution1080 x 1920 pixels (~441 ppi pixel density)
MemoryBuilt-in64GB built-in, 3GB RAM
CardMicroSD Card (support up to 128GB) (uses SIM 2 slot)
CameraMain13 MP, autofocus, dual-LED (dual tone) flash
Featuresf/2.0, phase detection, Geo-tagging, touch focus, face/smile detection, panorama, HDR, Video (1080p@30fps, 720p@120fps)
Front5 MP Camera, f/2.0, 1080p
ConnectivityWLANWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetoothv4.2 with A2DP
GPSYes + A-GPS support & Glonass, BDS
RadioNo
USBType-C 1.0 reversible connector
NFCNo
InfraredYes
DataGPRS, EDGE, 3G HSPA, 4G (LTE Cat4 150/50 Mbps)
FeaturesSensorsAccelerometer, Gyro, Compass, Proximity, FingerPrint
Audio3.5mm audio jack, Speakerphone
BrowserHTML5
MessagingSMS(threaded view), MMS, Email, Push Mail, IM
Gamesbuilt-in + downloadable
TorchYes
ExtraFast battery charging: 40% in 60 min (Quick Charge 2.0), Active noise cancellation with dedicated mic, Photo/video editor, Document viewer, Google Search, Maps, Gmail, Document viewer, XviD/DivX/MP4/H.265 player, MP3/WAV/eAAC+/FLAC player, YouTube, Google Talk
BatteryCapacity3260 mAh