OTA Updates/iPod touch/11.3.1

iPod touch (6th generation)

Version	Build	Prerequisite Version	Prerequisite Build	Release Date	Release Type	OTA Download URL	File Size
11.3.1	15E302	—		24 April 2018	Beta	869b55136a0398c11f5ab23b570cd7bc71a78e51.zip	1,775,655,074
	15E302	—			—
		8.4.1	12H321		—	f3a09c5ec10b03a26d8ad63477db570c65cc8eaf.zip	1,558,759,449
		9.0 GM	13A340		—	c216f3e1476966254b6f216e9401e59c7332ca78.zip	1,413,463,475
		9.0	13A344		—
		9.0.1	13A404		—
		9.0.2	13A452		—
		9.1	13B143		—
		9.2	13C75		—
		9.2.1	13D15		—
		9.3	13E233		—	4c4a33caad321304ad8e9361febfea1d9a7b7822.zip	1,396,086,659
		9.3.1	13E238		—
		9.3.2	13F69		—
		9.3.3	13G34		—
		9.3.4	13G35		—
		9.3.5	13G36		—
		10.0	14A346		—	f0d3d5cd1c0dee7908c550edb059b66cc81861a7.zip	1,288,450,411
		10.0.1	14A403		—
		10.0.2	14A456		—
		10.1	14B72		—
		10.1.1	14B100		—
			14B150		—
		10.2	14C92		—	86bd620b9b3d5b60cf69bdd880f31363e3fe30a8.zip	1,285,654,662
		10.2.1	14D27		—
		10.3	14E277		—
		10.3.1	14E304		—
		10.3.2	14F89		—
		10.3.3 beta 6	14G57		—	01a6d4aca1d5527972cba8acdff0c04b2e994038.zip	1,253,617,995
		10.3.3	14G60		—	86bd620b9b3d5b60cf69bdd880f31363e3fe30a8.zip	1,285,654,662
		11.0	15A372		—	65604056878decf6ad563a1932891d027582afd0.zip	721,839,222
		11.0.1	15A402		—
		11.0.2	15A421		—
		11.0.3	15A432		—
		11.1 beta 4	15B92		—	b10418df1a775a9fc5819e90da22f23897883bef.zip	689,196,352
		11.1	15B93		—
		11.1.1	15B150		—
		11.1.2	15B202		—
		11.2	15C114		—	1448bad1417181dbe9cc78c5fa50edce3a3d3257.zip	643,511,665
		11.2.1	15C153		—
		11.2.2	15C202		—
		11.2.5	15D60		—	998208f119363128a062256ffa4d21bdfb71e6f3.zip	637,874,950
		11.2.6	15D100		—	7a0f8153af33f8d9bcd565f1b00b090a913f5440.zip	637,875,597
		11.3	15E216		—	0792f8aa97245eacaa0b137ba348fcb055b6706e.zip	31,021,658

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