OTA Updates/iPhone/6.1.1

iPhone 4S

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	OTA Download URL	File Size
6.1.1	10B145	—		11 February 2013	136e4e5d9426c3b36a08296fb960af98c2eb824e.zip	954,160,068
		6.0	10A403		1a73eb35e494d2a068998dd2e37445c7d608287d.zip	90,986,079
		6.0.1	10A523		d3d20ed2088ab44214a1df85e75a2543eb9d8deb.zip	90,991,794
		6.1	10B142		f8ede0d7eb9159ce9d0ff6a6c9a922c0adf52488.zip	24,084,538

Over-the-air, often used to refer to OTA Updates, where an iOS device downloads and installs an update on itself without assistance from external hardware