The iPhone 6s comes with a 4.70-inch touchscreen display with a resolution of 750x1334 pixels at a pixel density of 326 pixels per inch (ppi) and an aspect ratio of 16:9. Apple iPhone 6s is powered by a 1.84GHz dual-core Apple A9 processor. It comes with 2GB of RAM. The Apple iPhone 6s runs iOS 9 and is powered by a 1715mAh non-removable battery.
 
 
 
As far as the cameras are concerned, the Apple iPhone 6s on the rear packs a 12-megapixel camera with an f/2.2 aperture and a pixel size of 1.22-micron. The rear camera setup has phase detection autofocus. It sports a 5-megapixel camera on the front for selfies, with an f/2.2 aperture.
 
 
 
Apple iPhone 6s based on iOS 9 and packs 16GB of inbuilt storage. The Apple iPhone 6s is a single SIM (GSM) smartphone that accepts a Nano-SIM card. The Apple iPhone 6s measures 138.30 x 67.10 x 7.10mm (height x width x thickness) and weighs 143.00 grams. It was launched in Gold, Rose Gold, Silver, and Space Grey colours. It bears a metal body. 
 
 
 
Connectivity options on the Apple iPhone 6s include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v4.20, NFC, Lightning, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, barometer, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor.