Fixing Security Vulnerability by Installing PDF Patch for Your Jailbroken iPhone

Experts have pointed out some problems found security vulnerabilities in IOS, which can be exploited to install malware. To overcome this problem, Apple has released patch IOS 4.0.2 exploit on Cisco IOS and IOS used by JailbreakMe 4.0.1 4. However, for jailbroken iPhone users to update their firmware to jailbreak IOS 4.0.2, kill them. Fortunately, solutions are provided by the developer of Cydia