iOS Jailbreaking is the process of removing software restrictions imposed by Apple on its iOS operating system. This allows users to gain root access to the device, enabling them to install applications, tweaks, and themes that are not available through the official App Store. While jailbreaking can enhance customization and functionality, it also voids the device's warranty and may expose it to security risks. Users who jailbreak their devices should be aware of potential issues, such as instability and compatibility problems with future iOS updates.