The iPhone 6s Plus is a larger and more advanced version of the iPhone 6s, released by Apple in 2015. It has a 5.5-inch Retina IPS LCD display with a resolution of 1080 x 1920 pixels and is powered by Apple's A9 chip, which has a dual-core 1.84 GHz processor and 2GB of RAM. It has a 12-megapixel rear camera with phase detection autofocus and optical image stabilization, as well as a 5-megapixel front-facing camera with Retina flash. The iPhone 6s Plus comes in storage options of 16GB, 32GB, 64GB, or 128GB, and has a non-removable 2750 mAh battery. Other features include Touch ID fingerprint sensor, 3D Touch, Live Photos, and support for iOS 9, which can be upgraded to iOS 14. It is available in space gray, silver, gold, or rose gold color options.