Firmware/iPhone/4.x

iPhone 3G

Version	Build	Codename	Baseband	Release Date	IPSW Download URL	SHA1 Hash	File Size	Release Notes
4.0	8A293	Apex	05.13.04	21 June 2010	iPhone1,2_4.0_8A293_Restore.ipsw	ee1eba9281b902d7ff3f24d50f9aebff0df27f92	306,274,631	iPhoneDocumentation_4.0.ipd
4.0.1	8A306			15 July 2010	iPhone1,2_4.0.1_8A306_Restore.ipsw	940bd2b36c646f6673419eab661ac1f13248e592	320,237,975	iPhoneDocumentation_4.0.1.ipd
4.0.2	8A400			11 August 2010	iPhone1,2_4.0.2_8A400_Restore.ipsw	ee2bc74719170a7a2440b593b6f300727c930c69	320,216,794	iPhoneDocumentation_4.0.2.ipd
4.1	8B117	Baker	05.14.02	8 September 2010	iPhone1,2_4.1_8B117_Restore.ipsw	d87bab469dd1146ab83ddcc23f03b3164d7e09d4	323,137,556	iPhoneDocumentation_4.1.ipd
4.2.1	8C148	Jasper	05.15.04	22 November 2010	iPhone1,2_4.2.1_8C148_Restore.ipsw	d2ed58586e8ca2153f2e2ec585bba8afc5173378	338,579,762	iPhoneReadMe_4.2.ipd

iPhone 3GS

Units with the new bootrom began shipping around September 2009.

Version	Build	Codename	Baseband	Release Date	IPSW Download URL	SHA1 Hash	File Size	Release Notes
4.0	8A293	Apex	05.13.04	21 June 2010	iPhone2,1_4.0_8A293_Restore.ipsw	e065245874c73510ceb8fa4bd9388b60d46eb252	396,281,280	iPhoneDocumentation_4.0.ipd
4.0.1	8A306			15 July 2010	iPhone2,1_4.0.1_8A306_Restore.ipsw	c2b6fb9a158547ce726baa1bf8f0558a71518fec	396,322,891	iPhoneDocumentation_4.0.1.ipd
4.0.2	8A400			11 August 2010	iPhone2,1_4.0.2_8A400_Restore.ipsw	61d21363ced6e006cc226f9a0a0e9c6ed8e048ab	396,310,640	iPhoneDocumentation_4.0.2.ipd
4.1	8B117	Baker	05.14.02	8 September 2010	iPhone2,1_4.1_8B117_Restore.ipsw	2d1657cd33ae23b8d4e79e41fe758d09d3c52e30	400,572,133	iPhoneDocumentation_4.1.ipd
4.2.1	8C148a	Jasper	05.15.04	22 November 2010	iPhone2,1_4.2.1_8C148a_Restore.ipsw	2787bb9fbf18594279d05682e6fd16d2b9612a2a	420,813,164	iPhoneReadMe_4.2.ipd
4.3	8F190	Durango	05.16.01	9 March 2011	iPhone2,1_4.3_8F190_Restore.ipsw	d05108c7338f7df7026b2d9a84f632a096bace92	443,762,287	iPhoneReadMe_4.3.ipd
4.3.1	8G4		05.16.02	25 March 2011	iPhone2,1_4.3.1_8G4_Restore.ipsw	6de986f2dbd16a65db122e7c54a70f31812d028a	440,276,917	iPhoneReadMe_4.3.ipd
4.3.2	8H7			14 April 2011	iPhone2,1_4.3.2_8H7_Restore.ipsw	4021a2d82971fc4c637f1fdb6ce7c4dcfb7ac0d7	440,519,356	iPhoneReadMe_4.3.2.ipd
4.3.3	8J2			4 May 2011	iPhone2,1_4.3.3_8J2_Restore.ipsw	027aaf90744076551a93a7f78e9aae2c740f3b40	440,519,759	iPhoneReadMe_4.3.3.ipd
4.3.4	8K2			15 June 2011	iPhone2,1_4.3.4_8K2_Restore.ipsw	be06903d55dc13d8948ae4cfa619a277df4d4e5b	440,559,262	iPhoneReadMe_4.3.4.ipd
4.3.5	8L1			25 July 2011	iPhone2,1_4.3.5_8L1_Restore.ipsw	80119c009590066dc093ccaeafc9056c05fb73ff	440,577,895	iPhoneReadMe_4.3.5.ipd

iPhone 4

iPhone3,1

Version	Build	Codename	Baseband	Release Date	IPSW Download URL	SHA1 Hash	File Size	Release Notes
4.0	8A293	Apex	01.59.00	21 June 2010	iPhone3,1_4.0_8A293_Restore.ipsw	171c2a3995fa149f2a369ccd87f82c5c30da3f88	607,363,121	iPhoneDocumentation_4.0.ipd
4.0.1	8A306			15 July 2010	iPhone3,1_4.0.1_8A306_Restore.ipsw	a9cf20679273b7e502ab384854ba96cc2a54d532	607,380,127	iPhoneDocumentation_4.0.1.ipd
4.0.2	8A400			11 August 2010	iPhone3,1_4.0.2_8A400_Restore.ipsw	19eb071cdb9f1601b106825d0a16b1449c6eef8c	607,375,880	iPhoneDocumentation_4.0.2.ipd
4.1	8B117	Baker	02.10.04	8 September 2010	iPhone3,1_4.1_8B117_Restore.ipsw	a3f8a333ca181146b862ca6a59c9a6e7c27eba0b	618,501,195	iPhoneDocumentation_4.1.ipd
4.2.1	8C148	Jasper	03.10.01	22 November 2010	iPhone3,1_4.2.1_8C148_Restore.ipsw	366b28e9c95936bd4b11a84d54fefaf079fd6411	654,550,096	iPhoneReadMe_4.2.ipd
4.3	8F190	Durango	04.10.01	9 March 2011	iPhone3,1_4.3_8F190_Restore.ipsw	146cd896abb21680383fe675cbc99fc36d3cce57	702,264,955	iPhoneReadMe_4.3.ipd
4.3.1	8G4			25 March 2011	iPhone3,1_4.3.1_8G4_Restore.ipsw	6694f69c84d36248d5bb71ba78ddb1f4946260f0	698,304,690	iPhoneReadMe_4.3.ipd
4.3.2	8H7			14 April 2011	iPhone3,1_4.3.2_8H7_Restore.ipsw	211e556a558ad18921c8b837db65aa20a373db77	698,525,410	iPhoneReadMe_4.3.2.ipd
4.3.3	8J2			4 May 2011	iPhone3,1_4.3.3_8J2_Restore.ipsw	b2e221543f24a66209c70e8465d037fe22afeefa	698,558,606	iPhoneReadMe_4.3.3.ipd
4.3.4	8K2			15 July 2011	iPhone3,1_4.3.4_8K2_Restore.ipsw	65eed031140b908c9f879b8f84d744d1fba2276c	699,045,659	iPhoneReadMe_4.3.4.ipd
4.3.5	8L1			25 July 2011	iPhone3,1_4.3.5_8L1_Restore.ipsw	7099307319c669356955e9aff11a3129d6b8d8b4	698,976,299	iPhoneReadMe_4.3.5.ipd

iPhone3,3

Version	Build	Codename	Baseband	Release Date	IPSW Download URL	SHA1 Hash	File Size	Release Notes
4.2.5	8E128	Phoenix	1.0.05	7 February 2011	N/A
4.2.6	8E200			10 February 2011	iPhone3,3_4.2.6_8E200_Restore.ipsw	f32cf46790a473a6c12f9dbd3773bf40fbdf6eee	683,594,406	iPhoneReadMe_4.2.6.ipd
4.2.7	8E303		1.0.06	14 April 2011	iPhone3,3_4.2.7_8E303_Restore.ipsw	724c173be65ffb1ca3ea5da73a331ddf1319884f	684,508,142	iPhoneReadMe_4.2.7.ipd
4.2.8	8E401			4 May 2011	iPhone3,3_4.2.8_8E401_Restore.ipsw	84a695036cc6ab4954147ac1822144b33fbc5c31	684,458,963	iPhoneReadMe_4.2.8.ipd
4.2.9	8E501			15 July 2011	iPhone3,3_4.2.9_8E501_Restore.ipsw	d44aae3b6997e0e8a30d88118d45d5e72aca8a2e	684,524,858	iPhoneReadMe_4.2.9.ipd
4.2.10	8E600			25 July 2011	iPhone3,3_4.2.10_8E600_Restore.ipsw	789ee18ee9659c87cfff304f69fd7ea4c205693b	684,446,946	iPhoneReadMe_4.2.10.ipd