Lets start with key features of the phone
KEY FEATURES
Quad-band GSM and quad-band or penta-band 3G support with 21 Mbps HSDPA, 42 Mbps DC-HSDPA and 5.76 Mbps HSUPALTE support on all models and CDMA support when sold by CDMA carriers4 16M-color LED-backlit IPS TFT capacitive touchscreen of 640 x 1136px resolution, 326 ppiCorning Gorilla Glass, fingerprint-resistant coating1.3 GHz dual-core ARMv8 64-bit CPU, PowerVR G6430 GPU, 1GB of RAM, Apple A7 SoCiOS 7 and iCloud integration8 MP autofocus camera, 1/3’ sensor size, 1.5µm pixel size, True Tone dual-LED flash, touch focus, digital image stabilization1080p video recording at 30fps, 720p@120fps slow motion videos1.2MP secondary front-facing camera, 720p video recordingTouch ID fingerprint scanner embedded into home buttonWi-Fi 802.11a/b/g/n, Wi-Fi hotspotGPS with A-GPS connectivity, GLONASS support; digital compass16/32/64GB storage optionsAccele_45rometer, proximity sensor and a three-axis gyro sensorActive noise cancellation with a dedicated secondary microphone, dedicated third microphone for SiriStandard 3.5 mm audio jack, stereo Bluetooth v4.0Apple Maps with free voice-guided navigation in 50-odd countriesiTunes RadioAirDrop file transferVoice recognition, Siri virtual assistantSupports HD Voice( needs carrier support too) FaceTime video calls over Wi-Fi and cellularImpressively slim and light
Now lets talk about main disadvantages of the phone
MAIN DISADVANTAGES
Screen feels small by 2013 standardsVery expensive without carrier subsidiesTouchID is greatly underusedNo USB Mass Storage mode, iTunes required for data transferNo FM radioNo expandable storage, sealed-in batteryNo NFC connectivity1080p@30fps video recording is low by current flagship statusMono audio recording in videos
The phone is currently abvilable under 20000rs price bracket which is a wow thing for.
Thank u