Microsoft Lumia 540 ($ 112)

Features:
SensorsAccelerometer, Proximity

Specifications:

BuildOSMicrosoft Windows Phone 8.1 with Lumia Denim
Dimensions144 x 73.7 x 9.4 mm
Weight152 g
SIMDual-SIM, Dual Standby, Micro-SIM
ColorsOrange, white, black, gray, blue
Frequency2G BandSIM1:GSM 850 / 900 / 1800 / 1900
SIM2:GSM 850 / 900 / 1800 / 1900
3G BandHSDPA 900 / 2100
ProcessorCPU1.2 GHz Quad-Core Cortex-A7
ChipsetQualcomm Snapdragon 200
GPUAdreno 302
DisplayTechnologyIPS LCD capacitive touchscreen, 16M colors, Multitouch
Size5.0 inches
Resolution720 x 1280 pixels (~294 ppi pixel density)
MemoryBuilt-in8GB built-in, 1GB RAM
CardmicroSD card(supports upto to 128 GB)
CameraMain8 MP, 3264 x 2448 pixels, autofocus, LED flash
Features1/4'' sensor size, geo-tagging, Video (480p@30fps)
Front5 MP Camera, 480p
ConnectivityWLANWi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetoothv4.0 with A2DP
GPSYes + A-GPS support
RadioStereo FM radio with RDS
USBmicroUSB v2.0
NFCNo
DataGPRS, EDGE Up to 236 kbps, 3G (HSPA 42.2/5.76 Mbps)
FeaturesSensorsAccelerometer, Proximity
Audio3.5mm audio jack, Speakerphone
BrowserHTML5
MessagingSMS (threaded view), MMS, Email, Push Email, IM
Gamesbuilt-in
TorchYes
ExtraActive noise cancellation with dedicated mic, Document viewer/editor, Speakerphone
BatteryCapacity2200 mAh
Standbyup to 576 hrs
Talktimeup to 26 hrs
MusicplayUp to 81 hrs