What is kloader?

Kloader is a tool used for jailbreaking iOS devices that use the A4 processor or lower. It is used to load custom firmware onto the device so that it can be jailbroken. Kloader works by exploiting a vulnerability in the device's bootrom to cause it to load the custom firmware instead of the original iOS firmware. Kloader is frequently used in conjunction with other jailbreaking tools, such as Redsn0w or PwnageTool. It is important to note that jailbreaking can void the device's warranty and may cause stability and security issues.