Apple has introduced a new firmware upgrade 1.1.1 for iPhone which is officially irreversible (although workaround instructions to downgrade to version 1.0.2 has emerged). And once updated, iPhone is uncrackable and thus users can no longer jailbreak or install useful third-party applications or software to iPhone other than the one authorized by Apple. And it’s also cannot be hacked to unlock SIM-lock so iPhone can […]