✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Upload Date | March 24, 2011 |
|---|---|
| Filename | iPhone3,1_4.3.1_8G4_Restore.ipsw |
| Filesize | 666 MiB |
| MD5sum | 32f9a71430c4dd025adab3b73d4a5242 |
| SHA1sum | 25b6235a35f8d0d41bcf8750193f8b43ceff1ca1 |
| Identifier | iPhone3,1 |
iOS 4.3.1 Software Update
This update contains improvements and other bug fixes including:
• Fixes an occasional graphics glitch on iPod touch (4th generation)
• Resolves bugs related to activating and connecting to some cellular networks
• Fixes image flicker when using Apple Digital AV Adapter with some TVs
• Resolves an issue authenticating with some enterprise web services
Products compatible with this software update:
• iPhone 4 (GSM model)
• iPhone 3GS
• iPad 2
• iPad
• iPod touch (4th generation)
• iPod touch (3rd generation)
This update contains security content originally included in previous iOS Software Updates. For more information, please visit this website: