HTC Desire 510 ($ 171)

Features:
SensorsAccelerometer, Proximity

Specifications:

BuildOSAndroid OS, v4.4.2 (KitKat)
Dimensions139.9 x 69.8 x 10 mm
Weight158 g
ColorsVanilla White, Jet Black, Dark Grey, Deep Navy Blue
Frequency2G BandGSM 850 / 900 / 1800 / 1900
3G BandHSDPA 850 / 900 / 2100
4G BandLTE 800 / 1800 / 2600
ProcessorCPU1.2 GHz Quad-Core
ChipsetQualcomm Snapdragon 410
GPUAdreno 306
DisplayTechnologyCapacitive touchscreen, 16M colors, Multitouch
Size4.7 inches
Resolution480 x 854 pixels (~208 ppi pixel density)
MemoryBuilt-in8GB built-in, 1GB RAM
CardmicroSD card (supports up to 128GB)
CameraMain5MP, 2592 x 1944 pixels, LED Flash
Featuresgeo-tagging, Video 1080p
FrontVGA
ConnectivityWLANWi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
Bluetoothv4.0 with A2DP
GPSYes + A-GPS support & Glonass
RadioNo
USBmicroUSB v2.0
NFCYes
DataGPRS, EDGE, 3G (HSDPA, HSUPA), 4G
FeaturesSensorsAccelerometer, Proximity
Audio3.5mm audio jack, Speakerphone
BrowserHTML5
MessagingSMS (threaded view), MMS, Email, Push Email
Gamesbuilt-in + downloadable
TorchYes
ExtraActive noise cancellation with dedicated mic, Document editor, Photo viewer/editor, Google Search, Maps, Gmail, Voice memo/dial/commands, Predictive text input, YouTube, Calendar, Speakerphone
BatteryStandbyup to 646 hrs
Talktimeup to 17 hrs