Tag Archives: iOS 4.2.1

Fix SIM not supported in iPhone 3G and 3GS after iOS 4.2.1 firmware upgrade

If we upgrade a carrier unlocked iPhone 3G or 3G S to iOS 4.2.1 firmware or any other version it will lose its activation and become unusable. Those people who bought unlocked iPhone models will get into trouble if they […]……..

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Unlock iPhone 3G and 3G S on iOS 4.2.1 firmware

The iPhone Dev-team has managed to provide a working unlock and jailbreak solutions for iPhone 3G and 3GS, just a week after the iOS 4.2.1 firmware releases. They first released Redsn0w 0.9.6 b4 untethered/ tethered jailbreak. And then PwnageTool 4.1.3 […]……..

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Download iOS 4.2.1 firmware direct links

As expected, Apple today rolled out the iOS 4.2.1 firmware. The iOS 4.2 firmware is available for iPhone 4, iPhone 3G S, iPhone 3G, iPad 3G, iPad WiFi, iPod Touch 4G, iPod Touch 3G and some other devices. Among all […]……..

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