Guide to Downgrade iOS 4.3.5 To 4.3.4, 4.3.3, 4.3.2 Or 4.3.1 on iPhone, iPod Touch and iPad

Today Apple iOS 4.3.5 has just been released for iPhone, iPod Touch and iPad to fix a security issue with certificate validation issue. But if you accidentally updated your firmware to 4.3.5 and you had saved your SHSH blobs for iOS 4.3.4, 4.3.3, 4.3.2 or 4.3.1.




Geohot has the guide on how to downgrade from iOS 4.3.5 to any of  iOS 4.3.4, 4.3.3, 4.3.2 or 4.3.1.

Just follow the step by step procedure here at Geohot's blog.

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iPhone 2G, 3G and 3GS Firmwares

Some Firmware on Apple iPhone Products

Iphone 2G

1.0 - 1.0.1 - 1.0.2 - 1.1.1 - 1.1.2 - 1.1.3 - 1.1.4 - 2.0 - 2.0.1 - 2.0.2 - 2.1 - 2.2 - 2.2.1 -

3.0 - 3.1 - 3.0.1 - 3.1.2 - 3.1.3

Iphone 3G

2.0 - 2.0.1 - 2.0.2 - 2.1 - 2.2 - 2.2.1 - 3.0 - 3.1 - 3.0.1 - 3.1.2 - 3.1.3

Iphone 3Gs

3.0 - 3.0.1 - 3.1 - 3.1.2 - 3.1.3



I-Phone Custom Firmwares



IPhone 3G (s)

3G (s) 3.1.2

3.1.2-1GB Root Partition, UNACTIVATED, Cydia, Stock Boot Logos

3.1.2-1GB Root Partition, ACTIVATED, Cydia, Stock Boot Logos

IPhone 3G

3G 3.1.2

3.1.2-1GB Root Partition, UNACTIVATED, Cydia, Stock Boot Logos

3.1.2-1GB Root Partition, ACTIVATED, Cydia, Stock Boot Logos

3G 3.1 Activated:

• RS part 1
• RS part 2

3G 3.1 Unactivated:

• RS part 1
• RS part 2

3G 3.1 1GB Activated:

• RS part 1
• RS part 2

3G 3.1 1GB Unactivated:

• RS part 1
• RS part 2

IPhone 2G

2G 3.1.2

3.1.2-1GB Root Partition, UNACTIVATED, Cydia, Stock Boot Logos

3.1.2-1GB Root Partition, ACTIVATED, Cydia, Stock Boot Logos

2G 3.1 Activated Unlocked:

• RS part 1
• RS part 2
• Mirror Megaupload

2G 3.1 Unactivated Unlocked:

• RS part 1
• RS part 2

IPod Touch (2G)

3.1.2-1GB Root Partition, Cydia, Stock Boot Logos

IPod Touch (1G)

3.1.2-1GB Root Partition, Cydia, Stock Boot Logos

ITouch 1G (Default Partition Size)

• 4share part 1
• 4share part 2
• 4share part 3

• iPhone Custom Firmware 3.1.3

iPhone2_1_3.1.3_7E18_Custom_Restore_Activated.zip. 001
iPhone2_1_3.1.3_7E18_Custom_Restore_Activated.zip. 002
iPhone2_1_3.1.3_7E18_Custom_Restore_Activated.zip. 003
iPhone2_1_3.1.3_7E18_Custom_Restore_Activated.zip. 004

NOT Activated (for Official Carrier Users)

iPhone2_1_3.1.3_7E18_Custom_Restore_NOT_Activated. zip.001
iPhone2_1_3.1.3_7E18_Custom_Restore_NOT_Activated. zip.002
iPhone2_1_3.1.3_7E18_Custom_Restore_NOT_Activated. zip.003
iPhone2_1_3.1.3_7E18_Custom_Restore_NOT_Activated. zip.004

iPhone 3G Custom Firmware 3.1.3 IPSW

Activated (for UnOfficial Carrier Users)

iPhone1_2_3.1.3_7E18_Custom_Restore_Activated.zip. 001
iPhone1_2_3.1.3_7E18_Custom_Restore_Activated.zip. 002
iPhone1_2_3.1.3_7E18_Custom_Restore_Activated.zip. 003

NOT Activated (for Official Carrier Users)

iPhone1_2_3.1.3_7E18_Custom_Restore_NOT_Activated. zip.001
iPhone1_2_3.1.3_7E18_Custom_Restore_NOT_Activated. zip.002
iPhone1_2_3.1.3_7E18_Custom_Restore_NOT_Activated. zip.003

iPhone 2G Custom Firmware 3.1.3 IPSW

Activated (for UnOfficial Carrier Users)
iPhone1_1_3.1.3_7E18_Custom_Restore_Activated.zip. 001
iPhone1_1_3.1.3_7E18_Custom_Restore_Activated.zip. 002
iPhone1_1_3.1.3_7E18_Custom_Restore_Activated.zip. 003

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