LG G Flex ($ 251)

Features:
SensorsAccelerometer Gyro Compass Proximity

Specifications:

BuildOSAndroid OS v4.2.2 (Jelly Bean)
Dimensions160.5 x 81.6 x 8.7 mm
Weight177 g
SIMMicro-SIM
ColorsTitan silver
Frequency2G BandGSM 850 / 900 / 1800 / 1900
3G BandHSDPA 850 / 1900 / 2100 - D950
4G BandLTE 700 / 1700 / 1900 / 2100
ProcessorCPUQuad-core 2.26 GHz Krait 400
ChipsetQualcomm MSM8974 Snapdragon 800
GPUAdreno 330
DisplayTechnologyCurved P-OLED capacitive touchscreen 16M colors Multi-touch
Size6.0 inches
Resolution720 x 1280 pixels (~245 ppi pixel density)
MemoryBuilt-in32GB built-in 2GB RAM
CardNo
CameraMain13MP autofocus LED flash
FeaturesGeo-tagging face detection HDR Simultaneous video and image recording Video (1080p@60fps HDR stereo sound rec video stabilization)
Front2.1 MP 1080p@30fps
ConnectivityWLANWi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct DLNA Wi-Fi hotspot
Bluetoothv4.0 with A2DP
GPSYes + A-GPS support & Glonass
RadioStereo FM radio with RDS
USBmicroUSB v3.0 USB On-the-go USB Host
NFCYes
InfraredYes
DataGPRS Class 12 (4+1/3+2/2+3/1+4 slots) EDGE class 12 3G (HSDPA 42 Mbps) 4G LTE
FeaturesSensorsAccelerometer Gyro Compass Proximity
Audio3.5mm audio jack Speakerphone
BrowserHTML5
MessagingSMS(threaded view) MMS Email Push Mail IM RSS
Gamesbuilt-in
TorchYes
ExtraSNS application Document viewer Voice memo/dial commands organizer Photo viewer/editor Predictive text input Active noise cancellation with dedicated mic Speakerphone Curved body and display Self-healing coating on the back
BatteryStandbytime up to 720h
Talktimeup to 15h