Lenovo Vibe X3 ($ 0)

Features:
SensorsAccelerometer Gyro Compass Proximity FingerPrint  

Specifications:

BuildOSAndroid OS v5.1 (Lollipop)  
Dimensions154 x 76.4 x 9.3 mm  
Weight175g  
SIMDual SIM Dual Standby Micro SIM  
ColorsWhite Black  
Frequency2G BandSim1: 850 / 900 / 1800 / 1900
Sim2: 850 / 900 / 1800 / 1900  
3G BandHSDPA 850 / 900 / 1900 / 2100  
4G BandLTE band 1(2100) 3(1800) 7(2600) 38(2600) 39(1900) 40(2300) 41(2500)  
ProcessorCPU1.2 GHz Quad-Core Cortex-A53 1.8 GHz Dual-Core Cortex-A57  
ChipsetQualcomm MSM8992 Snapdragon 808  
GPUAdreno 418  
DisplayTechnologyIPS LCD capacitive touchscreen 16M colors Multitouch  
Size4.9 inches  
Resolution1080 x 1920 pixels (~401 ppi pixel density)  
ProtectionCorning Gorilla Glass 3  
MemoryBuilt-in32/64GB built-in  3GB RAM  
CardMicroSD Card (Support up to 128GB) (uses SIM 2 slot)  
CameraMain21 MP 5248 x 3936 phase detection autofocus dual-LED + dual tone) flash  
FeaturesGeo-tagging touch focus face detection panorama HDR Video (2160p@30fps)  
Front8.0 MP Camera  
ConnectivityWLANWi-Fi 802.11 a/b/g/n/ac Wi-Fi Direct hotspot  
Bluetoothv4.1 with A2DP LE  
GPSYes + A-GPS support  
RadioFM Radio  
USBmicroUSB v2.0  
NFCYes  
InfraredYes  
DataGPRS  EDGE 3G (HSPA 42.2/5.76 Mbps) 4G (LTE Cat6 300/50 Mbps)  
FeaturesSensorsAccelerometer Gyro Compass Proximity FingerPrint  
Audio3.5mm audio jack  
BrowserHTML5  
MessagingSMS(threaded view) MMS Email Push Mail IM  
GamesBuilt-in  
TorchYes  
ExtraOrganizer Document viewer Photo/video editor Active noise cancellation with dedicated mic MP3/WAV/WMA/eAAC+ player MP4/H.264 player  
BatteryCapacity3600 mAh  
- Fast charging: 60% in 30 min (Quick Charge 2.0)