Steve Jobs unleashed iPhone 4 with iOS 4 released the iOS 4 GM firmware for iPhone 3GS, iPhone 3G and iPod Touch 3G and 2G along with SDK 4 GM at WWDC 2010. iOS 4 Gold Master (GM) Build 8A293 is now available to developers and will be released to general public within 2 weeks.
The iOS 4 firmware is build 8A293 and iOS 4 SDK is build 10M2262.
Note:Jailbreakers and iPhone unlockers MUST stay away from iOS 4 until the dev-team or someone releases new jailbreak and unlock tools for iOS firmware.
iOS 4 fully supports iPhone 3GS and iPod Touch 3G but in iPhone 3G and iPod Touch 2G some features like multitasking won’t work, but jailbreaking should fix it soon.
Download iOS 4 – Links
Download iOS 4 GM from the iPhone Dev Center by registering for a ccount. DMG files can be searched on google
Download iOS 4 for iPhone 3GS
iPhone2,1_4.0_GM_8a293_Restore.ipsw | iphone_os_4_gm_seed__iphone_3gs__8a293.dmg
Download iOS 4 for iPhone 3G
iPhone1,2_4.0_GM_8a293_Restore.ipsw | iphone_os_4_gm_seed__iphone_3g__8a293.dmg
Download iOS 4 for iPod Touch 3G
iPod3,1_4.0_GM_8a293_Restore.ipsw | iphone_os_4_gm_seed__ipod_touch__3rd_generation__8a293.dmg
Download iOS 4 for iPod Touch 2G
iPod2,1_4.0_GM_8a293_Restore.ipsw | iphone_os_4_gm_seed__ipod_touch__2nd_generation__8a293.dmg
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