What is the fine-grained topic of the following text: Promptly after the iOS 5.1.1 release bringing multiple improvements, the hackers seem not to be wasting their time, offering that the jailbreak of the older devices running on the latest Apple mobile OS is quite possible using last month’s Redsn0w! Only return the topic.
Jailbreaking older devices running on the latest Apple mobile OS using Redsn0w.