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 HSUPA

LTE support on all models and CDMA support when sold by CDMA carriers

4" 16M-color LED-backlit IPS TFT capacitive touchscreen of 640 x 1136px resolution, 326 ppi

Corning Gorilla Glass, fingerprint-resistant coating

1.3 GHz dual-core ARMv8 64-bit CPU, PowerVR G6430 GPU, 1GB of RAM, Apple A7 SoC

iOS 7 and iCloud integration

8 MP autofocus camera, 1/3'' sensor size, 1.5µm pixel size, True Tone dual-LED flash, touch focus, digital image stabilization

1080p video recording at 30fps, 720p@120fps slow motion videos

1.2MP secondary front-facing camera, 720p video recording

Touch ID fingerprint scanner embedded into home button

Wi-Fi 802.11a/b/g/n, Wi-Fi hotspot

GPS with A-GPS connectivity, GLONASS support; digital compass

16/32/64GB storage options

Accelerometer, proximity sensor and a three-axis gyro sensor

Active noise cancellation with a dedicated secondary microphone, dedicated third microphone for Siri

Standard 3.5 mm audio jack, stereo Bluetooth v4.0

Apple Maps with free voice-guided navigation in 50-odd countries

iTunes Radio

AirDrop file transfer

Voice recognition, Siri virtual assistant

Supports HD Voice (needs carrier support too)

FaceTime video calls over Wi-Fi and cellular

Impressively slim and light

সাথে পাচ্ছেন ৭ দিনের রিপ্লেসমেন্ট গ্রারান্টি এবং ১বছরের সার্ভিস ওয়ারেরন্টি।