✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
| Upload Date | November 21, 2010 |
|---|---|
| Filename | iPhone2,1_4.2.1_8C148a_Restore.ipsw |
| Filesize | 401 MiB |
| SHA256sum | 09f3617fcf3e419e12c4a3c62f1fe0ab3909d0573a00937584124f869a7df15d |
| MD5sum | d688d2d48c8b054367adef8e7ab4f5ea |
| SHA1sum | 2787bb9fbf18594279d05682e6fd16d2b9612a2a |
| Identifier | iPhone2,1 |
iOS 4.2 Software Update
This update contains improvements, including the following:
• AirPrint
- Print mail, photos, web pages, and more directly to
AirPrint compatible printers on a local wireless network
• AirPlay
- Wirelessly stream videos, music, and photos to
Apple TV
- Wirelessly stream music to AirPlay compatible speakers
and receivers, including AirPort Express
• FaceTime improvements
- Initiate calls with Voice Control
- Initiate calls from an SMS conversation
- Support for Bluetooth accessories
• Find text on the web page in Safari
• New fonts setting available for Notes
• New SMS/MMS text tones and the ability to set custom
tones per contact
• Additional restrictions (parental controls) available:
- Account settings
- App deletion
- Game Center friends
- Location settings
• Ability to import .ics files into Calendar
• Bug fixes, including:
- Eliminates sound artifacts occasionally captured in
recorded audio with 4th generation iPod touch
- Improves audio playback to car stereos via USB
Products compatible with this software update:
• iPhone 4
• iPhone 3GS
• iPhone 3G
• iPod touch 2nd generation or later
Not all improvements apply to all models. For more information, go to:
http://www.apple.com/ipodtouch/software-update/
http://www.apple.com/iphone/software-update/
For feature descriptions and complete instructions, see the user guides for iPhone and iPod touch at:
http://support.apple.com/manuals/iphone
http://support.apple.com/manuals/ipodtouch
For more information about iPhone and iPod touch, go to:
http://www.apple.com/ipodtouch
To troubleshoot your iPhone or iPod touch, or to view additional support information go to:
http://www.apple.com/support/iphone
http://www.apple.com/support/ipodtouch
For information on the security content of this update, please visit this website: