Today Apple has released a next beta version of iPhone OS 4.0 firmware for developers, and this beta firmware is only supported with iPhone 3G, iPhone 3GS, iPod Touch 2G, and iPod Touch 3G. This is a second beta firmware and has built number 8A248c.
The iPhone OS 4.0 beta 1 firmware for iPhone, iPod Touch, and iPad was unveiled in the “Sneak Peek” event held at Apple’s Infinite Loop campus in Cupertino. This latest firmware brings lots of new features, support, and enhancements for both users and developers.
Don’t download or install this update on your device if you want to jailbreak iPhone OS 4.0 or jailbreak iPod Touch OS 4.0, then you’ve to wait until jailbroken iPhone OS 4.0 firmware is released by dev team.
iPhone OS 4.0 Beta 2 Firmware – Download
The second beta version of iPhone OS 4.0 firmware is available for download for free for developers and can only be installed on a developer device.
- iPhone OS 4.0 beta (iPhone 3G) – iphone_os_4_beta_2_iphone_3g_8A248c.dmg (284 MB)
- iPhone OS 4.0 beta (iPhone 3GS) – iphone_os_4_beta_2_iphone_3gs_8A248c.dmg (355 MB)
- iPhone OS 4.0 beta (iPod Touch 2G) – iphone_os_4_beta_2_ipod_touch_2nd_generation_8A248c.dmg (210 MB)
- iPhone OS 4.0 beta (iPod Touch 3G) - iphone_os_4_beta_2_ipod_touch_3rd_generation_8A248c.dmg (344 MB)
Update 1: The iPhone OS 4.0 Beta 3 has been released by Apple, for complete change log and download links head-on to this page
Update 2: The iPhone OS 4.0 Beta 4 has been released by Apple, for complete change log and download links go here
Update 3: iPhone OS 4.0 has now been renamed to iOS 4.0 and Apple has also released a GM Candidate version of iOS 4.0 firmware. For complete change log, details, and download links go to this page
Update 4: The iOS 4.0 final version has just been released by Apple and is now publicly available for download for free for iPhone and iPod Touch. Head over to this page to download it.