✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Upload Date | July 13, 2010 |
|---|---|
| Filename | iPhone2,1_4.0.1_8A306_Restore.ipsw |
| Filesize | 378 MiB |
| SHA256sum | 38b0efbc21063588156ed555c12bba46aee2795781b3269a952fd456009526f8 |
| MD5sum | a3104ca3b72a91bc7eff037ee320ecc5 |
| SHA1sum | c2b6fb9a158547ce726baa1bf8f0558a71518fec |
| Identifier | iPhone2,1 |
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: