Apple iPhone 6s 16GB smartphone was launched in September 2015. The phone comes with a 4.70-inch touchscreen display with a resolution of 750 pixels by 1334 pixels at a PPI of 326 pixels per inch. The Apple iPhone 6s is powered by 1.84GHz dual-core processor and it comes with 2GB of RAM. The phone packs 16GB of internal storage that cannot be expanded. As far as the cameras are concerned, the Apple iPhone 6s packs a 12-megapixel (f/2.2, 1.22-micron) primary camera on the rear and a 5-megapixel front shooter for selfies. The Apple iPhone 6s runs iOS 9 and is powered by a 1715mAh non removable battery. It measures 138.30 x 67.10 x 7.10 (height x width x thickness) and weighs 143.00 grams. The Apple iPhone 6s is a single SIM (GSM) smartphone that accepts a Nano-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth, NFC, Lightning, 3G and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include Fingerprint sensor, Compass/ Magnetometer, Proximity sensor, Accelerometer, Ambient light sensor, Gyroscope and Barometer.