The Nokia RM-1133 is a popular mobile phone model that was widely used in the early 2000s. Despite its age, the phone still holds a special place in the hearts of many users who appreciate its simplicity and reliability. However, one common issue that users of this phone face is the security code lock, which can render the device unusable if the code is forgotten or lost. In this article, we will explore the process of unlocking the Nokia RM-1133 security code using CM2, a popular tool for mobile phone servicing.