This is the iPhone OS system the iPhone runs. Latest Apple download links can be found here.
Comparison of firmware versions
Version
|
Build
|
Baseband
|
IPSW Download URL
|
SHA1 Hash
|
Comments
|
Can be jailbroken?
|
Can be unlocked?
|
File Size
|
1.0.0
|
Heavenly 1A543a
|
03.12.06_G
|
iPhone1,1_1.0_1A543a_Restore.ipsw
|
fb8bb3ee2e9a997affbb97868599f2995c78209c
|
Initial US shipment.
|
Yes
|
Yes
|
95,604,348
|
1.0.1
|
Heavenly 1C25
|
03.12.06_G
|
iPhone1,1_1.0.1_1C25_Restore.ipsw
|
a00b85a7a55d62a94be5fbf5effbc42fd63f3097
|
|
Yes
|
Yes
|
95,627,958
|
1.0.2
|
Heavenly 1C28
|
03.14.08_G
|
iPhone1,1_1.0.2_1C28_Restore.ipsw
|
7f5c0ff1f84a0202b75a55c3fcb362e415334d1e
|
|
Yes
|
Yes
|
95,627,324
|
1.1.1
|
Snowbird 3A109a
|
04.01.13_G
|
iPhone1,1_1.1.1_3A109a_Restore.ipsw
|
d441dd1c71ce18f25d8fc4faa71c1e6eaa02d02c
|
|
Yes
|
Yes
|
159,668,150
|
1.1.2
|
Oktoberfest 3B48a
|
04.02.13_G
|
No download available
|
|
Initial Euro shipment.
|
Yes
|
Yes
|
|
1.1.2
|
Oktoberfest 3B48b
|
04.02.13_G
|
iPhone1,1_1.1.2_3B48b_Restore.ipsw
|
797c02e7d660940e8d9a16cc7229ccf3f67dd8b1
|
|
Yes
|
Yes
|
167,927,501
|
1.1.3
|
Little Bear 4A93
|
04.03.13_G
|
iPhone1,1_1.1.3_4A93_Restore.ipsw
|
b3dec7580bd00dc4faf28449d9618ef40aeacc96
|
|
Yes
|
Yes
|
169,950,551
|
1.1.4
|
Little Bear 4A102
|
04.04.05_G
|
iPhone1,1_1.1.4_4A102_Restore.ipsw
|
000811bac096011b50ebf6ec1ec2285b62fda4cb
|
|
Yes
|
Yes
|
169,946,442
|
2.0
|
Big Bear 5A347
|
04.05.04_G
|
iPhone1,1_2.0_5A347_Restore.ipsw
|
9c510a3cfce789fa5f92a8f763c231bac82ff6d4
|
|
Yes
|
Yes
|
228,768,637
|
2.0.1
|
Big Bear 5B108
|
04.05.04_G
|
iPhone1,1_2.0.1_5B108_Restore.ipsw
|
61de6a2bd6ceddc9ecabad1671b91a59b3824bc4
|
|
Yes
|
Yes
|
254,048,068
|
2.0.2
|
Big Bear 5C1
|
04.05.04_G
|
iPhone1,1_2.0.2_5C1_Restore.ipsw
|
b84b57bea919bdc720287ec908c1378e7d7b5e1b
|
|
Yes
|
Yes
|
253,589,000
|
2.1
|
Sugar Bowl 5F136
|
04.05.04_G
|
iPhone1,1_2.1_5F136_Restore.ipsw
|
353b7745767b85932e14e262e69463620939bdf7
|
|
Yes
|
Yes
|
242,171,241
|
2.2
|
Timberline 5G77
|
04.05.04_G
|
iPhone1,1_2.2_5G77_Restore.ipsw
|
cbfc6ff886ce89868a55547b9fb980dbf92e6418
|
|
Yes
|
Yes
|
257,576,980
|
2.2.1
|
SUTimberline 5H11
|
04.05.04_G
|
iPhone1,1_2.2.1_5H11_Restore.ipsw
|
43b95ebe1e51f8d30eae916053396595c08440d3
|
|
Yes
|
Yes
|
257,593,705
|
3.0
|
? 7A341
|
04.05.04_G
|
iPhone1,1_3.0_7A341_Restore.ipsw
|
2afd3f8ede17390737f508473ed205506a0bd23f
|
|
Yes
|
Yes
|
240,394,111
|
Version
|
Build
|
Baseband
|
IPSW Download URL
|
SHA1 Hash
|
Comments
|
Can be jailbroken?
|
Can be unlocked?
|
File Size
|
2.0
|
Big Bear 5A345
|
01.45.00
|
No download available
|
|
Initial iPhone 3G shipment.
|
Yes
|
Yes (Upgrade to 02.28.00)
|
|
2.0
|
Big Bear 5A347
|
01.45.00
|
iPhone1,2_2.0_5A347_Restore.ipsw
|
af9506ca0034e462674f9f59c5406f159eaf9fc1
|
|
Yes
|
Yes (Upgrade to 02.28.00)
|
235,957,125
|
2.0.1
|
Big Bear 5B108
|
01.48.02
|
iPhone1,2_2.0.1_5B108_Restore.ipsw
|
e81c7ac7e334a3e9d81b3b47894bfaa1ec495482
|
|
Yes
|
Yes (Upgrade to 02.28.00)
|
261,224,227
|
2.0.2
|
Big Bear 5C1
|
02.08.01
|
iPhone1,2_2.0.2_5C1_Restore.ipsw
|
bef7fef954293046420fbcf947379839178a195b
|
|
Yes
|
Yes (Upgrade to 02.28.00)
|
260,761,030
|
2.1
|
Sugar Bowl 5F136
|
02.11.07
|
iPhone1,2_2.1_5F136_Restore.ipsw
|
c6957dcbf2a95ccfd6dce374a727b1b7700a9043
|
|
Yes
|
Yes (Upgrade to 02.28.00)
|
249,341,655
|
2.2
|
Timberline 5G77
|
02.28.00
|
iPhone1,2_2.2_5G77_Restore.ipsw
|
f67f8b2b842428bf89456cda0c2d5cf954d111a4
|
|
Yes
|
Yes
|
258,342,348
|
2.2.1
|
SUTimberline 5H11
|
02.30.03
|
iPhone1,2_2.2.1_5H11_Restore.ipsw
|
e0098e6fab5c90b59e067e03ae3ccd4a7cd0f39c
|
|
Yes
|
Yes
|
258,359,073
|
3.0
|
Kirkwood 7A341
|
?
|
iPhone1,2_3.0_7A341_Restore.ipsw
|
?
|
|
Yes
|
Yes (with ultrasn0w)
|
241,229,233
|
Version
|
Build
|
IPSW Download URL
|
SHA1 Hash
|
Comments
|
Can be jailbroken?
|
File Size
|
1.1.0
|
Snowbird 3A100a
|
No download available
|
|
Initial shipment.
|
Yes
|
|
1.1.0
|
Snowbird 3A101a
|
iPod1,1_1.1_3A101a_Restore.ipsw
|
9b0d83c7f8b4328174a3f31e0e93f60e591ae143
|
|
Yes
|
157,890,186
|
1.1.1
|
Snowbird 3A110a
|
iPod1,1_1.1.1_3A110a_Restore.ipsw
|
84bbc6ea8bf29745195bc9926c1874f7c2a36f32
|
|
Yes
|
157,906,686
|
1.1.2
|
Oktoberfest 3B48b
|
iPod1,1_1.1.2_3B48b_Restore.ipsw
|
108d8ffe9ea75e61cd5e57170ad388b7fa00d923
|
|
Yes
|
165,567,897
|
1.1.3
|
Little Bear 4A93
|
iPod1,1_1.1.3_4A93_Restore.ipsw
|
8dca23eec69d5ae58fbf3d4a23276e46cbb2e3c6
|
|
Yes
|
173,511,411
|
1.1.4
|
Little Bear 4A102
|
iPod1,1_1.1.4_4A102_Restore.ipsw
|
c148d1eb1c979bb6434175411d4a372103a4fdd2
|
|
Yes
|
173,519,589
|
1.1.5
|
Little Bear 4B1
|
iPod1,1_1.1.5_4B1_Restore.ipsw
|
1b818911316e4248ee01d3ec67f9d39afc3db240
|
|
Yes
|
173,519,637
|
2.0
|
Big Bear 5A347
|
Download Link Prohibited
|
ae82798e85f9953b0f4798bad36187cb020c9d22
|
2.0+ is a paid upgrade series
|
Yes
|
233,409,573
|
2.0.1
|
Big Bear 5B108
|
Download Link Prohibited
|
a81b6e7af4b85ef436d047f9da57c0f694d8964a
|
|
Yes
|
258,660,321
|
2.0.2
|
Big Bear 5C1
|
Download Link Prohibited
|
c8b6f9fefa3f3777c56285dfe4c735b1e08a81a2
|
|
Yes
|
258,201,218
|
2.1
|
Sugar Bowl 5F137
|
Download Link Prohibited
|
fc7f6d0972927df502ffca47438ca75dcccffaf3
|
|
Yes
|
251,155,156
|
2.2
|
Timberline 5G77
|
Download Link Prohibited
|
081a7de363230fb38d0ce092cbbe42f2a50c8a5f
|
|
Yes
|
260,186,851
|
2.2.1
|
SUTimberline 5H11
|
Download Link Prohibited
|
fc69be9e421bc0630567184506ab771f6b7ef68b
|
|
Yes
|
260,166,688
|
3.0
|
? 7A341
|
Download Link Prohibited
|
?
|
|
Yes
|
242,458,552
|
Version
|
Build
|
IPSW Download URL
|
SHA1 Hash
|
Comments
|
Can be jailbroken?
|
File Size
|
2.1.1
|
Sugar Bowl - 5F138
|
iPod2,1_2.1.1_5F138_Restore.ipsw
|
c3c700be49ad227d1152188e7c1e46b8958fd1e4
|
|
Yes
|
282,083,944
|
2.2
|
Timberline - 5G77a
|
iPod2,1_2.2_5G77a_Restore.ipsw
|
34a0a489605f34d6cc6c9954edcaaf9a050deedc
|
|
Yes
|
291,123,491
|
2.2.1
|
SUTimberline - 5H11a
|
iPod2,1_2.2.1_5H11a_Restore.ipsw
|
9af5625ea34acdd8abeb6fce71a72651d0c815d5
|
|
Yes
|
291,140,244
|
3.0
|
Kirkwood 7A341
|
Download Link Prohibited
|
?
|
|
Yes
|
270,315,364
|
See also
Resources