✗ This firmware is not signed. This means you cannot restore to it in iTunes.
| Upload Date | 13th July 2010 |
|---|---|
| Filename | iPhone3,1_4.0.1_8A306_Restore.ipsw |
| Filesize | 607 MB |
| MD5sum | 40ebacb47fb32d7f33ba0fd596e150e9 |
| SHA1sum | 262fc637585a599b3626336db58855e6494e1081 |
| Identifier | iPhone3,1 |
iOS 4.0.1 Software Update for iPhone
This update contains bug fixes and improvements, including the following:
• Improves the formula to determine how many bars of signal strength to display
Products compatible with this software update:
• iPhone 3G
• iPhone 3GS
• iPhone 4
For feature descriptions and complete instructions, see the user guides for iPhone at:
http://support.apple.com/manuals/iphone
For more information about iPhone, go to:
To troubleshoot your iPhone, or to view additional support information go to:
http://www.apple.com/support/iphone
This update contains security content originally included in previous iOS Updates. For more information, please visit this website:
http://support.apple.com/kb/HT1222